@article{DAN_1967_176_2_a13,
     author = {U. G. Pirumov},
     title = {Design of flow in {Laval} nozzle},
     journal = {Doklady Akademii Nauk},
     pages = {287--290},
     publisher = {mathdoc},
     volume = {176},
     number = {2},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_2_a13/}
}