1. Tạ Thị Hoài An, Ha Tran Phuong, On an explicit estimate on multiplicity truncation in the second main theorem for holomorphic curves encountering hypersurfaces in general position in projective space, Houston Journal of Mathematics, 35 (2009), 775-786
2. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Stability of a class of quadratic programs with a conic constraint, Taiwanese Journal of Mathematics, 13 (2009), 1823 -- 1836
3. Nguyễn Minh Trí, P. T. Thuy, The phenomenon of critical exponents of boundary value problem for semilinear degenerate elliptic differential equations, , In: Qualitative Theory of Differential Equations and Applications, MESI Institute Publisher, Moscow 2009, 167 -- 171
4. Bui The Anh, Nguyễn Khoa Sơn, Robust stability of Metzler operators under parameter perturbations, International Journal of Robust and Nonlinear control, 19 (2009), 1931 -- 1939
5. Bui The Anh, Nguyễn Khoa Sơn, Stability radii of positive linear systems under fractional perturbations, International Journal of Robust and Nonlinear Control, 19 (2009), 1267 - 1277
6. Le Van Hoi, Hồ Đăng Phúc, Truong V Dung, Nguyen Thi Kim Chuc, Lars Lindholm, Remaining life expectancy among older people in a rural area of Vietnam: trends and socioeconomic inequalities during a period of multiple transitions, BMC Public Health, 9 (2009) 471
7. Vũ Ngọc Phát, Piyapong Niamsup, Stability analysis for a class of functional differential equations and applications, Nonlinear Anal.: Theory, Methods \& Applications, 71 (2009), 6265 -- 6275
8. Nguyễn Văn Ngọc, Dual integral equations involving fourier transforms with increasing symbols, Acta Math. Vietnamica, 34 (2009), 305 -- 318
9. Trần Vĩnh Linh, Vu Ha Van, Philip Matchett Wood, On a conjecture of Alon, Journal of Number Theory, 129 (2009), 2801 -- 2807