@article{DE_1971_7_2_a0,
     author = {A. V. Bitsadze and I. N. Vekua and N. P. Erugin and V. D. Kupradze and A. N. Tikhonov},
     title = {{\CYRN}{\cyri}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyrishrt} {{\CYRI}{\cyrv}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\CYRM}{\cyru}{\cyrs}{\cyrh}{\cyre}{\cyrl}{\cyri}{\cyrsh}{\cyrv}{\cyri}{\cyrl}{\cyri}} ({\cyrk}~80-{\cyrl}{\cyre}{\cyrt}{\cyri}{\cyryu} {\cyrs}{\cyro} {\cyrd}{\cyrn}{\cyrya} {\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya})},
     journal = {Differencialʹnye uravneni\^a},
     pages = {195},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_2_a0/}
}