Some necessary conditions for the class of languages accepted by the probabilistic automata with a time-variant-structure, Elektron. Informationsverarb. Kybernet. 17 (1981), 623 - 632
A new algorithm for solving discrete programming problems, Zh. Vyschisl. Mat. i Mat. Fiz. 21 (1981),329 - 338 (in Russian).
Integer solutions for some classes of systems of linear inequalities, Dokl. Acad. Nauk Ukrain. SSR, Ser. A, 1981, 13 - 15 (in Russian).
On a class of pseudodifferential operators of variable order, Doklady Akademii Nauk SSSR (1981), 1308 - 1312 (in Russian).
On a class of pseudodifferential operators of variable order, Tap chi Toan hoc 9 (1981), No3, 1 - 6 (in Vietnamese).
Version vectorielle d'un théorème de densité et ses applications aux problèmes de controle, C. R. Acad. Sci. Paris, Série A 293 (1981), 665 - 668
Some nonlinear programming problems and applications, Sci. Proceedings of NCSR, Hanoi 2 (1981), 2 - 7
Freie Auflosung eines flachen holonomen Systems und ihre Entfaltungen, Seminar-berichte Humboldt Univ. 39 (1981), 1 - 41
Singularités non dégénérées des systèmes de Gauss-Manin réticulés, Bull. Math. Soc. France, Mémoire, 6 (1981), 1 - 77
On the multivalued asymptotic martigales, Acta Math. Vietnam. 6 (1981), 77 - 87
Some results on locally Lipschitzian mappings, Acta Math. Vietnam. 6 (1981), 97-105
Functor of projective limit in Banach categories, Tap chi Toan hoc 9 (1981), 16 - 20 (in Vietnamese).
Some integral representations of xkyl-analytic functions and their inverse formulas, Diff. Urav. 17 (1981), 165 - 171
Integral representations of P-analytic functions with logarithmically harmonic character P, Diff. Urav. 17 (1981), 1668 - 1673
On the existence of positive eigenvectors for a class of concave operators, Funct. Anal. Ulianovsk 15 (1981), 33 - 43 (in Russian).
On the linear discrete games with integral constraints on controls, Dokl. Akad. Nauk Azerbaijan. SSR 37 (1981), 10 - 14 (in Russian).
On the linear discrete games with fixed times, Dokl. Akad. Nauk Azerbaijan. SSR 37 (1981), 4 - 7 (in Russian).
On the method of pursuit in linear differential games with different types of constraints on controls, Izv. Akad. Nauk Azerbaijan. SSR, Ser. Fiz.-Tekhn. Mat. Nauk 1981, 27 - 31 (in Russian).
On the class of all processes having a Riesz decomposition, Acta Math. Vietnam. 6 (1981), 101 - 107
Some examples and theorems related to the Radon-Nikodym property in Banach spaces, Acta Math. Vietnam. 6 (1981), 64 - 70