@article{ZVMMF_1969_9_6_a21,
     author = {E. I. Grigor'ev and K. M. Magomedov},
     title = {A direct scheme of the method of characteristics for calculating spatial flows of gas},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1413--1419},
     publisher = {mathdoc},
     volume = {9},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_6_a21/}
}