%0 Journal Article %A J. Chabrowski %T On behaviour of non-negative weak solutions of parabolic equations at the boundary %J Colloquium Mathematicum %D 1972 %P 127-134 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-127-134/ %R 10.4064/cm-25-1-127-134 %G en %F 10_4064_cm_25_1_127_134