On the existence of solutions for a general form of variational and quasi-variational inequalities, Z. Anal. Anwendungen 3 (1984), 541 - 548.
Parabolic pseudodifferential operators of variable order, Matematicheskie Zametki, 35 (1984), 21 - 229 (in Russian).
A problem with a directional derivative in S, L. Sobolev spaces of variable order. Differentialnye Uravneniya 20 (1984), 2163 - 2164 (in Russian).
Existence of solutions for random multivalued Volterra integral equations, Part I: Local existence. J. Integral Equations 7 (1984), 143 - 173.
Existence of solutions for random multivalued Volterra integral equationsPart II: Global existence. J. Integral Equations 7 (1984), 175 - 185., Part II: Global existence. J. Integral Equations 7 (1984), 175 - 185.
Involutive sets of functions on orbits of representations of Lie algebras, In: Functional Analysis and Its Applications in Mechanics and Probability Theory, Moscow Univ., 1984, 139 - 140 (in Russian).
On the Lyapunov exponents of solutions of linear differential systems with a random inhomogeneity, Differ. Uravn. 20 (1984), 887 - 889 (in Russian).
Some fixed point theorems for multifunctions in topological vector spaces (announcement of results), Bulletin de l'Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques, (1984), 215 - 221.
C*-complexes de Fredholm I, Acta Math. Vietnam. 9 (1984), 121 - 130.
C*-complexes de Fredholm II, Acta Math. Vietnam. 9 (1984), 193 - 199.
The relations between uniform dimensions of a topological group and its factor-group, Studies in the theory of rings, algebras and modules. Mat. Issled. 76 (1984), 99 - 106 (in Russian).
Two-dimensional boundary value problem of the diffusion, Acta Math. Vietnam. 9 (1984), 87-119.
On modified chain conditions, Acta Math. Vietnam. 9 (1984), 147 - 156.
The direct method in linear differential games with general information, Acta Math. Vietnam. 9 (1984), 41 - 63.
The problem of pursuit in linear discrete games with general information, Acta Math. Vietnam. 9 (1984), 69 - 103.
Introduction to algebra and topology, two volumes (in Vietnamese) – Nhập môn Đại số và Tôpô. NXB Bộ Đại học1984. (in Vietnamese).
Calculation of discontinuous waves by the method of characteristics with fexed grid points, Zh.Vysch. Mat. i Mat. Fiz 24 (1984), 442 - 447 (in Russian).
On the domination property in vector optimization, J. Optim. Theory Appl. 43 (1984), 327 - 330.
On duality in multiobjective programming, J. Optim. Theory Appl. 43 (1984), 557 - 582.
Approximate solution to axial-symmetrical filtration problem by the method of dual series equations, Tạp chí Toán học 12 (1984), 20 - 27 (in Vietnamese).