@article{ZVMMF_1985_25_8_a6,
     author = {G. V. Alekseev and A. Yu. Chebotarev},
     title = {Inverse problems of acoustic potential},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1189--1199},
     year = {1985},
     volume = {25},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_8_a6/}
}