%0 Journal Article %A I. D. Emelina %T A problem of Gellerstedt type for a homogeneous equation of mixed type of the second kind %J Trudy seminara po kraevym zadačam %D 1983 %P 93-103 %V 20 %N 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1983_20_20_a10/ %G ru %F KUKZ_1983_20_20_a10