TY - JOUR AU - Bertsch, M AU - Kersner, RĂ³bert AU - Peletier, L A TI - Positivity versus localization in degenerate diffusion equations JF - NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS J2 - NONLINEAR ANAL-THEOR VL - 9 PY - 1985 IS - 9 SP - 987 EP - 1008 PG - 22 SN - 0362-546X DO - 10.1016/0362-546X(85)90081-1 UR - https://m2.mtmt.hu/api/publication/1788521 ID - 1788521 LA - English DB - MTMT ER -