@article{ZVMMF_1993_33_10_a11,
     author = {M. Yu. Zheltov and M. P. Levin},
     title = {The method of quasicharacteristics in problems of the mechanics of},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1594--1599},
     publisher = {mathdoc},
     volume = {33},
     number = {10},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_10_a11/}
}