Vietnam Journal
of
MATHEMATICS

Volume 23, Number 2, 1995

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16	Mathematics and Development Hoang Tuy	163
17	Games that Involve Set Theory or Topology Marion Scheepers	169
18	A Mean Value Theorem for Semidifferentiable Functions Nguyen Dong Yen	221
19	On the Existence of Bayesian Estimates in Multidimensional Nonlinear Statistical Models with Compact Parameter Space Ung Ngoc Quang	229
20	An Improvement for Explicit Parallel Runge-Kutta Methods Nguyen Huu Cong and Hoang Thi Vi	241
21	Tikhonov Regularization for a Class of Ill-Posed Variational Inequalities Nguyen Buong	253
22	The Adaptive Algorithm for Minimizing the Sum of Absolute Values of Linear Functions Dao Thanh Tinh	267
23	Existence and Relazation of Solutions of Functional Differential Inclusions Nguyen Dinh Huy and Nguyen Khoa Son	279
24	Asymptotic Error Expansions in Difference Methods for Equations with Discontinuous Coefficients Ta Van Dinh	291
25	S-series in the Wong-Zakai Approximation for Stochastic Differential Equation Yoshihiro Saito and Taketomo Mitsui	303
26	On Brown-McCoy Γ-rigns Wang Dingguo	319
27	On Almost Sure Convergence of Two-Parameter Random Processes Nguyen Hac Hai	329
28	A Remark on Riemann Holomorphic Extension Property Le Mau Hai	337
29	Two Counterexamples for the Tautness and the Hartogs Extensiones Do Duc Thai	339
30	A Note on Quasi-Frobenius Rings Dinh Van Huynh and Ngo Si Tung	343
31	Uniqueness of Global Quasi-Classical Solutions of the Cauchy Problem for Some Systems of First-Order Nonlinear Partial Tran Duc Van and Le Van Hap	347
32	New High-Order Implicit Runge-Kutta Methods and Applications to Parallel Integrations Nguyen Huu Cong	353
33	On Best Multivariate Trigonometric Approximations Dinh Dung	361