TY - JOUR AU - Díaz Díaz, Jesús Ildefonso AU - Kersner, R. PY - 1987 DO - 10.1016/0022-0396(87)90125-2 SN - 0022-0396 UR - https://hdl.handle.net/20.500.14352/64664 T2 - Journal of Differential Equations AB - The main result of the paper is the uniqueness of nonnegative solutions of the Cauchy problem and of the first and mixed boundary value problems for a class of degenerate parabolic equations which includes the model equation ut=(um)xx+(un)x, where m≥1... LA - eng M2 - 368 PB - Elsevier KW - Dirichlet boundary conditions KW - initial data KW - infiltration KW - evaporation KW - porous medium KW - existence of limit solutions KW - weak solutions KW - modulus of continuity KW - uniqueness TI - On a nonlinear degenerate parabolic equation in infiltration or evaporation through a porous medium TY - journal article VL - 69 ER -