%0 Journal Article %A A. V. Ivanov %A P. Z. Mkrtchan %T On the regularity in time of weak solutions of quasilinear doubly degenerate parabolic equations %J Zapiski Nauchnykh Seminarov POMI %D 1993 %P 78-84 %V 206 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1993_206_a5/ %G ru %F ZNSL_1993_206_a5