@article{DAN_1981_257_6_a9,
     author = {A. G. Petrov},
     title = {A direct variational method of calculating plane and axisymmetric cavitation flows},
     journal = {Doklady Akademii Nauk},
     pages = {1323--1327},
     publisher = {mathdoc},
     volume = {257},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_6_a9/}
}