@article{DE_1993_29_10_a20,
     author = {T. V. Chekmarev},
     title = {The {Tricomi} problem for the {Lavrent'ev--Bitsadze} system in a domain of a special form},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1832--1833},
     publisher = {mathdoc},
     volume = {29},
     number = {10},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_10_a20/}
}