@article{DE_1985_21_1_a17,
     author = {T. V. Treneva},
     title = {Multidimensional analogues of the {A.} {V.~Bitsadze} system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {141--144},
     year = {1985},
     volume = {21},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_1_a17/}
}