%0 Journal Article %A R. M. Ganeev %T A problem of Gellerstedt type for a system of equations of mixed type %J Trudy seminara po kraevym zadačam %D 1976 %P 70-79 %V 13 %N 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a8/ %G ru %F KUKZ_1976_13_13_a8