Issue Date | Title | Author(s) | Publisher |
1954 | Regelscharen isotroper Geraden im elliptischen Raum | Petkantschin, B. | Bulgarian Academy of Sciences |
1956 | Regelscharen isotroper Geraden in der zweiachsigen Geometrie | Petkantschin, B. | Bulgarian Academy of Sciences |
1969 | A relaxation method for solution of systems on non-linear inequalities | Germanov, Milčo; Spiridonov, Veselin | Bulgarian Academy of Sciences |
1966 | Representation of positive linear functionals defined in the space of homogeneous real polynomials of a given even degree | Chakalov, Vladimir; Skordev, Dimiter | Bulgarian Academy of Sciences |
1970 | Second order invariants of three-parameter families of lines in P4 | Ivanova-Karatopraklieva, Ivanka | Bulgarian Academy of Sciences |
1966 | Series of generalized Bessel polynomials | Bajčev, Ivan | Bulgarian Academy of Sciences |
1966 | Solution of a polylocal boundary value problem for integro-differential equations in ordinary derivatives | Manžeron, D.; Krivosein, L. E. | Bulgarian Academy of Sciences |
1974 | Solution of some boundary value problems by the averaging method on the basis of the asymptotics built for the Cauchy’s problem | Bajnov, Drumi | Bulgarian Academy of Sciences |
1956 | Some algebraic identities | Hua, Loo-Keng | Bulgarian Academy of Sciences |
1974 | Some applications of normal forms in non-linear oscillations | Staržinskij, Vjačeslav | Bulgarian Academy of Sciences |
1970 | Some cases of the existence and construction of periodic solutions of a certain class of nonlinear systems with a small parameter, connected with polynomials of given form | Manolov, Spas | Bulgarian Academy of Sciences |
1970 | Some problems connected with convergence in a Hausdorff metric | Popov, Vasil A. | Bulgarian Academy of Sciences |
1959 | Some remarks on univalent functions | Rényi, A. | Bulgarian Academy of Sciences |
1974 | Some results about the distribution of zeroes of entire functions of the kind ∫f(t)cos tz dt and ∫f(t)sin tz dt | Rusev, Petăr | Bulgarian Academy of Sciences |
1974 | Stability of n-th order | Krăstev, Rangel | Bulgarian Academy of Sciences |
1970 | The stabilization of a nonlinear control system in the critical case of one zero root and a pair of pure imaginary roots | Stoyanov, Nikolai | Bulgarian Academy of Sciences |
1972 | A statistical study of ALGOL-60 | Bârneva, Margarita; Bâčvarov, Stojan | Bulgarian Academy of Sciences |
1972 | A study of some frequencies in the written Bulgarian | Bârnev, Petâr; Dobrev, Dimitâr M.; Kirkova, Rumjana | Bulgarian Academy of Sciences |
1970 | Study on the reliability of a system by means of stochastic processes | Obretenov, Apostol; Dimitrov, Bojan; Uzunov, Michail | Bulgarian Academy of Sciences |
1969 | Sur certaines propriétés des surfaces réglées dans l’espace elliptique ou l’espace hyperbolique qui possèdent une ligne de striction commune | Mateev, Stojan | Bulgarian Academy of Sciences |