%0 Journal Article %A G. G. Laptev %T Non-existence of solutions of semilinear parabolic differential inequalities in cones %J Sbornik. Mathematics %D 2001 %P 1471-1490 %V 192 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2001_192_10_a3/ %G en %F SM_2001_192_10_a3