%0 Journal Article %A Yu. S. Baburin %T The problem $T_{3,2,1}$ for the Lavrent'ev--Bicadze equation %J Trudy seminara po kraevym zadačam %D 1967 %P 11-21 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1967_4_4_a1/ %G ru %F KUKZ_1967_4_4_a1