Existence of periodic solutions for nonlinear Liénard systems. Kim, Wan Se — 1995 International Journal of Mathematics and Mathematical Sciences
A note on the existence of solution for semilinear heat equations with polynomial growth nonlinearity Wan Se Kim — 1993 Commentationes Mathematicae Universitatis Carolinae The existence of weak solution for periodic-Dirichlet problem to semilinear heat equations with superlinear growth non-linear term is treated.