@article{ZVMMF_1981_21_1_a5,
     author = {V. G. Osmolovskii and V. Ya. Rivkind},
     title = {A method of separating the domains for elliptic equations with discontinuous coefficients},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {35--39},
     year = {1981},
     volume = {21},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_1_a5/}
}