@article{DAN_1990_313_6_a27,
     author = {I. K. Lifanov},
     title = {Velocity calculation in the method of discrete vortices},
     journal = {Doklady Akademii Nauk},
     pages = {1399--1402},
     publisher = {mathdoc},
     volume = {313},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_6_a27/}
}