@article{DAN_1970_191_2_a12,
     author = {Yu. N. D'yakonov and L. V. Pchelkina},
     title = {On a direct problem for {Laval} nozzle},
     journal = {Doklady Akademii Nauk},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {191},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_2_a12/}
}