@article{ZVMMF_1978_18_5_a28,
     author = {S. S. Vinogradov},
     title = {A soft spherical {\textquotedblleft}cap{\textquotedblright} in the field of a plane sound wave},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1320--1324},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_5_a28/}
}