| Issue Date | Title | Author(s) | Publisher |
| 2005 | Cauchy-Type Problem for Diffusion-Wave Equation with the Riemann-Liouville Partial Derivative | Kilbas, Anatoly; Trujillo, Juan; Voroshilov, Aleksandr | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2006 | Cayley-Hamilton Theorem for Matrices over an Arbitrary Ring | Szigeti, Jeno | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2015 | Celebrating the 80th Anniversary of Professor Edward A. Friedman, Scientist and Educator | Sendova, Evgenia | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2012 | Central A-polynomials for the Grassmann Algebra | Pereira Brandão Jr., Antônio; José Gonçalves, Dimas | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2002 | Cerami (C) Condition and Mountain Pass Theorem for Multivalued Mappings | Kristály, A.; Varga, Cs. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| Apr-2009 | Certain Classes of Functions with Negative Coefficients | Pashkouleva, Donka | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| Nov-2007 | Certain Classes of Functions with Positive and Missing Coefficients | Pashkouleva, Donka | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2010 | Certain Differential Subordinations using a Generalized Sălăgean Operator and Ruscheweyh Operator | Alb Lupaş, Alina | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1969 | Certain geometric interpretation of the second order differential invariants of three-parameter families of lines in P4 | Ivanova-Karatopraklieva, Ivanka | Bulgarian Academy of Sciences |
| 1963 | Certain indispensable conditions for amplified stability of a series of random variables | Obretenov, A. | Bulgarian Academy of Sciences |
| 1970 | A certain problem of localization of the zeros of a given polynomial | Karanikolov, Hristo N. | Bulgarian Academy of Sciences |
| 2005 | Certain Properties of Fractional Calculus Operators Associated with Generalized Mittag-Leffler Function | Saxena, R. K.; Saigo, Megumi | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1970 | Certain theorems on the indecomposibility of integer polynomials in the field of rational numbers whose values are powers of a prime | Pirgov, Dimităr; Kantardžieva, Elena | Bulgarian Academy of Sciences |
| 2009 | Chain Split and Computations in Practical Rule Mining | Aslanyan, Levon; Sahakyan, Hasmik | Institute of Information Theories and Applications FOI ITHEA |
| 8-Dec-2023 | Challenges and Constraints of the Paperless Classroom: Way Forward | Motebele, Mpho Moyahabo; Yassim, Kathija; Uleanya, Chinaza | Institute of Mathematics and Informatics – Bulgarian Academy of Sciences |
| 2018 | Challenges and Opportunities of Blockchain Technology in Industrial Applications | Novakova, Galia; Nikolov, Roumen; Shoikova, Elena | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 7-Dec-2021 | Challenges in Preserving the Orthodox Traditions in Bulgarian Icon Painting | Dobrevski, Dimitar; Goleva, Russana | Institute of Mathematics and Informatics – Bulgarian Academy of Sciences |
| 29-May-2014 | Challenges of Teaching Written Communication in the Cloud | Charkova, Denitza; Shotlekov, Ivan | Institute of Mathematics and Informatics Bulgarian Academy of Sciences, Association for the Development of the Information Society |
| 29-Jun-2021 | Change of Schumane Frequencies | Shterev, Yordan | Institute of Mathematics and Informatics – Bulgarian Academy of Sciences |
| 28-May-2015 | Changes and Shifts in Computing Curricula | Peneva, Juliana; Ivanov, Stanislav | Institute of Mathematics and Informatics Bulgarian Academy of Sciences, Association for the Development of the Information Society |
