%0 Journal Article %A V. I. Zhegalov %T On problems with shifts for equations of mixed type %J Trudy seminara po kraevym zadačam %D 1980 %P 63-73 %V 17 %N 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a7/ %G ru %F KUKZ_1980_17_17_a7