Bùi Công Cường, Hoàng Tụy, Convex anlysis and related question, Tap chi Toan hoc 1:4 (1973), 1 - 21 (in Vietnamese).
Hoàng Đình Dung, The Riemann problem with a shift for analytic surfaces II, Tap chi Toan hoc 1:1 (1973), 15 - 23 (in Vietnamese).
Hà Huy Khoái, Finiteness for complex analytic spaces, Vietnam. Math. J. 1 (1973) (in Vietnamese).
Hà Huy Khoái, Finitely extension property of holomorphic functions on analytic sets, Vietnam. Math. J. 1 (1973) (in Vietnamese).
Hà Huy Khoái, Nguyễn Văn Khuê, Holomorphic mappings on Banach analytic manifolds, Func. Analyz i ego Priloz. 4:4 (1973) (in Russian).
Ngô Văn Lược, General type boundary value problems of linear conjugation with displacements of generalized analytic functions, Tạp chí Toán học 1 (1973), N0 1, 48 - 53 (in Vietnamese).
Ngô Văn Lược, On the filtration problem in nonhomogeneous porous medium, Tạp chí Toán học 1 (1973), 32 - 37 (in Vietnamese).
Đỗ Văn Lưu, On the uniqueness of solution of the Cauchy problem for a infinite system of second-order parabolic equation with increasing coefficients, Tạp chí Toán học 1 (1973), 42 - 48 (in Vietnamese).
Phạm Hữu Sách, On invariance in linear discrete process, Avtomatika i Telemekhanika 1973, 146 - 150 (in Russian).