@article{ZVMMF_1965_5_6_a4,
     author = {I. G. Filippov},
     title = {On certain diffraction problems for small amplitude shock and elastic waves},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1024--1031},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_6_a4/}
}