Nguyễn Ngọc Chu, Integer solutions for a system of rank r from r+1 linear inequalities, Oper. Res. Automat. Control Systems 15 (1980), 119 - 129
Nguyễn Ngọc Chu, On solvability in integers of a system of linear inequalities for every right-hand-side vector, Ukrain. Mat. Zh. 32 (1980), 557 - 561 (in Russian).
Nguyễn Ngọc Chu, The methods for solving and analysing some classes of discrete problems, Ph.D. Thesis, Kiev University, Kiev, 1980 (in Russian).
Nguyễn Ngọc Chu, On one method for finding a common formula of integer solutions for a system of linear inequalities, Kibernetika, Kiev, 1980, 86 - 90 (in Russian).
Phan Văn Chương, Versions aléatoires du théorème de point fixe de Kakutani-Ky Fan, C. R. Acad. Sci. Paris, Série, 291 (1980), 144 - 147
Phan Văn Chương, Quelques théorèmes de point fixe aléatoire, C. R. Acad. Sci. Paris, Série A 291 (1980), 259 - 262
Phan Văn Chương, Théorème de point fixe pour les multiapplications de type contraction sans hypothèse de continuité, Acta Math. Vietnam. 5 (1980)), 24 - 41
Phan Văn Chương, Quelques théorèmes de point fixe pour les multifonctions aléatoires de type contraction, Sém. Anal. Convexe 7 (1980)
Bùi Công Cường, Some classes of games with multipayoffs, Sci. Proceedings of NCSR, Hanoi, 2 (1980), 1 - 7
Nguyễn Hữu Đức, Nguyễn Tiến Đại, Stabilité de l'interaction géometrique entre deux composantes holonomes simples, C.R. Acad. Sci. Paris Série I, 291 (1980), 113 - 116
Đinh Quang Lưu, Bùi Khởi Đàm, On the Radon-Nikodym property in conjugate Banach spaces, Tạp chí Toán học 8 (1980), 24 - 2 (in Vietnamese).
Đỗ Ngọc Diệp, Construction des représentations unitaires par les K-orbites et quantification, C. R. Acad. Paris Série A, 291 (1980), 295 - 298
Đỗ Ngọc Diệp, Multidimensional quantization I, The general construction. Acta Math. Vietnam. 5 (1980), 42 - 55
Trương Xuân Đức Hà, I. A. Bakhtin, On the convergence of the successive method in the theory of nonlinear equations with concave operators, Functional Analysis, Ulianovsk 14 (1980), 47 - 55 (in Russian).
Đinh Văn Huỳnh, Uber linear kompakte Ringe, Acta Math. Acad. Sc. Hungar. 36 (1980), 1 - 5
Hà Huy Khoái, p-adic interpolation and the Mellin-Mazur transform, Acta Math. Vietnam 5 (1980), 77 - 99
Nguyễn Xuân Tấn, Đinh Thế Lục, Banach-Steinhaus theorem for multivalued mappings, Acta Math. Vietnam. 5 (1980), 161 - 168
Đinh Quang Lưu, On the Radon-Nikodym property in Banach spaces, Bull. Acad. Polon. Sci. Sér. Sci. Math. 28 (1980), 269 - 271
Đinh Quang Lưu, On the nonempty intersection property in Banach spaces, Tạp chí Toán học 8 (1980), 14 - 16 (in Vietnamese).
Đinh Quang Lưu, A representation theorem for almost surely convergent sequences of multifunctions, Acta Math. Vietnam. 5 (1980), 141 - 143