%0 Journal Article %A ENACHE, CRISTIAN %T LOWER BOUNDS FOR BLOW-UP TIME IN SOME NON-LINEAR PARABOLIC PROBLEMS UNDER NEUMANN BOUNDARY CONDITIONS %J Glasgow mathematical journal %D 2011 %P 569-575 %V 53 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000139/ %R 10.1017/S0017089511000139 %F 10_1017_S0017089511000139