Computer algebra and computation of Puiseux expansions of algebraic functions. - Vladimir P. Gerdt; N. A. Kostov; Z. T. Kostova (EUROCAL, 1987)

Computer Algebra in the Theory of Ordinary Differential Equations of Halphen Type. - Vladimir P. Gerdt; N. A. Kostov (Computers and Mathematics, 1989)

Exact Solutions of Completely Integrable Systems and Linear ODE's Having Elliptic Function Coefficients. - N. A. Kostov; Z. T. Kostova (CASC, 2007)

Generalized perturbed complex Toda chain for Manakov system and exact solutions of Bose-Einstein mixtures. - V. S. Gerdjikov; N. A. Kostov; E. V. Doktorov; N. P. Matsuka (Math. Comput. Simul., 2009)

Differential Resultant, Computer Algebra and Completely Integrable Dynamical Systems. - Zoia Kostova; Nikolay Kostov; Vladimir Gerdjikov (CASC, 2010)

Investigation of mixture of Gaussians method for background subtraction in traffic surveillance. - Boris Nikolov; Nikolay Kostov; Slava Yordanova (Int. J. Reason. based Intell. Syst., 2013)