@article{ZVMMF_2017_57_9_a5,
     author = {G. V. Alekseev and A. V. Lobanov and Yu. E. Spivak},
     title = {Optimization method in problems of acoustic cloaking of material bodies},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1477--1493},
     publisher = {mathdoc},
     volume = {57},
     number = {9},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_9_a5/}
}