Poincaré asymptotics of solutions of higher-dimensional singularly perturbed equations of parabolic type
The purpose of this survey is to present the main features of the ray (or ''geometric-optical'') asymptotic method for obtaining Poincaré asymptotic expansions of solutions of singularly perturbed boundary-value problems stated for equations of parabolic type.
scientific article; zbMATH DE number 2094841