@article{DAN_1989_305_2_a9,
     author = {A. V. Konovalov and E. S. Levchenko and A. S. Savin},
     title = {Reconstruction of a plane flow of a heavy ideal fluid from the},
     journal = {Doklady Akademii Nauk},
     pages = {294--296},
     publisher = {mathdoc},
     volume = {305},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_305_2_a9/}
}