@article{DAN_1972_203_1_a15,
     author = {U. G. Pirumov},
     title = {Three-dimensional subsonic and supersonic flows in nozzles and duots of variable cross-section},
     journal = {Doklady Akademii Nauk},
     pages = {60--63},
     publisher = {mathdoc},
     volume = {203},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_203_1_a15/}
}