%0 Journal Article %A O. A. Ladyzhenskaya %A N. N. Ural'tseva %T A boundary-value problem for linear and quasi-linear parabolic equations %J Doklady Akademii Nauk %D 1961 %P 544-547 %V 139 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_3_a7/ %G ru %F DAN_1961_139_3_a7