%0 Journal Article %A V. N. Vragov %T On a mixed problem for a class of hyperbolic-parabolic equations %J Doklady Akademii Nauk %D 1975 %P 273-276 %V 224 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_224_2_a4/ %G ru %F DAN_1975_224_2_a4