@article{DAN_1976_227_1_a13,
     author = {E. N. Zubov},
     title = {Three-dimensional steady gas flows with straight level lines in the presence of the {Bernoulli} integral},
     journal = {Doklady Akademii Nauk},
     pages = {57--59},
     publisher = {mathdoc},
     volume = {227},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_1_a13/}
}