@article{IVM_1976_12_a0,
     author = {P. A. Vel'misov},
     title = {On the unsteady gas flow in {Laval} nozzles},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--10},
     publisher = {mathdoc},
     number = {12},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1976_12_a0/}
}