Hoàng Tuỵ, Remarks on the connections between minimax theory and duality theory 
7 
Nguyễn Văn Hộ, Asymptotic efficiency in the Bahadur sense for the sign rank tests 
21 
Đỗ Long Vân, Phan Đình Diệu, Pushdown automata with many pushdown store tapes 
47

Bùi Công Cường, Some remarks on minimax theorems 
67 
Nguyễn Cảnh Toàn, Structure d'espace projectif de l'ensemble des espaces riemanniens à absolu mobile admettant une base donnée 
75 
Phan Văn Hạp, On a method of approximate solutions of operational equations and its application to integral equations 
89 
Phan Văn Chương, On an approximation theorem for setvalued mappings 
97 
Nguyễn Văn Gia, On a property of contravariant pvectordensities of weight + 1 and its application 
105 