Vietnam Journal
of
MATHEMATICS

Volume 25, Number 2, 1997

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10	Separate Analyticity and Related Subjects Nguyen Thanh Van	81
11	Characterization of Rings Using Weakly Projective Modules Dingguo Wang	91
12	Some Characterization of SC-Modules Chu Trong Thanh	99
13	Lifts of Calibrations and Minimal Surfaces on the Tangent Bundle of a Riemannian Manifold Tran Viet Dung and Truong Chi Trung	107
14	An Extension to the Mean Square Criterion of Gaussian Equivalent Linearization Nguyen Dong Anh and W. Schiehlen	115
15	The Property () and Holomorphic Functions Le Mau Hai	125
16	On Invertibility of Linear Subspaces Generating Clifford Algebras Nguyen Canh Luong and Nguyen Van Mau	133
17	On the One Point Lyapunov Spectrum of Ergodic Stationary Difference Systems Perturbed by Random Noise Nguyen Huu Du and Tran Van Nhung	141
18	An Embedding Theorem of a P-Regular Semigroup Hengwu Zheng	151
19	Explicit Cassade Decompositions of Unitary Systems Do Cong Khanh and Nguyen Minh Hang	157
20	An Elementary Proof of a Theorem of Izumiya-Marar Jianming Yu	171
21	An Algebraic Characterization of Complex Hyperbolic Hypersurfaces Ha Huy Khoai	175