| Issue Date | Title | Author(s) | Publisher |
| 2015 | 2D Elastodynamic Problems for Anisotropic Solids with Defects at Macro- And Nano- Scale by Integro-Differential Equations | Rangelov, Tsviatko; Parvanova, Sonia; Dineva, Petia | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2014 | Anti–Plane Scattering by Heterogeneities in Piezoelectric Plane by BIEM | Rangelov, Tsviatko; Dineva, Petia | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2007 | The Asymptotic Behaviour of the First Eigenvalue of Linear Second-Order Elliptic Equations in Divergente Form | Fabricant, Alexander; Kutev, Nikolai; Rangelov, Tsviatko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2-Mar-2022 | Control Properties for Heat Equation with Double Singular Potential | Kutev, Nikolai; Rangelov, Tsviatko | "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences |
| 2016 | Dynamic Behaviour of a Crack at Macro- and Nano- Scale in Anisotropic Plane by BIEM | Rangelov, Tsviatko; Dineva, Petia | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2018 | Dynamic Fracture of a Nano-Crack in Finite Exponentially Inhomogeneous Piezoelectric Solid | Marinov, Marin; Rangelov, Tsviatko; Dineva, Petia | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2015 | Hardy-Type Inequalities with Weights | Fabricant, Alexander; Kutev, Nikolai; Rangelov, Tsviatko | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2015 | Improved Hardy Inequality and Applications | Fabricant, Alexander; Kutev, Nikolai; Rangelov, Tsviatko | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2012 | New Hardy-Type Inequalities with Singular Weights | Fabricant, Alexander; Kutev, Nikolai; Rangelov, Tsviatko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2014 | Sharp Hardy Inequalities in a Ball | Fabricant, Alexander; Kutev, Nikolai; Rangelov, Tsviatko | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2012 | Time–Harmonic Behaviour of a Cracked Piezoelectric Solid by BIEM | Marinov, Marin; Rangelov, Tsviatko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
