Hoang Dinh Zung, On the inversion formulas for the integral representation of e^{λx}analytic functions and their application 
3 
Nguyen Dong Yen, Implicit function theorems for setvalued maps 
17

Nguyen Van Ho and Nguyen Dang Hanh, On Statistics analogous to Pearson's chisquare in testing the null hypothesis including unknown parameters 
29 
Ho Dang Phuc, Semiattraction domains of semistable laws on topological vector spaces 
39

Pham Viet Hung, The algebra H* (GL (H, Z_{2}) Z,) 
51 
Hoang Van Lai, Exact bounds for derivatives of classical solution of Cauchy's problem for a quasilinear equation 
61 
Phan Huy Khai, Some methods for presenting in nonlinear discrete games multi purposes(in Russian) 
73 
Hoang Tuy, An implicit space covering method with applications to fixed point and global optimization problems 
93 
Le Hai Khoi,On representing systems for functions of several variables 
103 
Ngo Viet Trung,On degree bounds for the defining equations of arithmetically Cohen Macaulay and Buchsbaum varieties 
113 
Tran Quyet Thang, Cauchy's problem for second order parabolic equations with random parameter 
123 
Dinh Nho Hao, Approximating an optimal control problem of quantum processes by the finite element method. 
135 