@article{KUKZ_1967_4_4_a1,
     author = {Yu. S. Baburin},
     title = {The problem $T_{3,2,1}$ for the {Lavrent'ev--Bicadze} equation},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {11--21},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1967_4_4_a1/}
}