TY - JOUR AU - ENACHE, CRISTIAN TI - LOWER BOUNDS FOR BLOW-UP TIME IN SOME NON-LINEAR PARABOLIC PROBLEMS UNDER NEUMANN BOUNDARY CONDITIONS JO - Glasgow mathematical journal PY - 2011 SP - 569 EP - 575 VL - 53 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000139/ DO - 10.1017/S0017089511000139 ID - 10_1017_S0017089511000139 ER -