@article{ZVMMF_1983_23_4_a14,
     author = {N. G. Volkov and T. I. Savyolova},
     title = {An ill-posed problem of crystal physics},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {922--928},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_4_a14/}
}