Minh Anh, B., N. Minh Quan, T. Tuan Anh, and V. Dang Khoa. “ON THE EXISTENCE OF SOLUTIONS OF NONLINEAR ELLIPTIC EQUATIONS WITH UNBOUNDED COEFFICIENTS”. Science and Technology Development Journal, Vol. 9, no. 9, Sept. 2006, pp. 17-26, doi:https://doi.org/10.32508/stdj.v9i10.3060.