@article{DAN_1989_304_6_a8,
     author = {Yu. B. Lifshits and A. A. Shagaev},
     title = {Potential models of transonic flows},
     journal = {Doklady Akademii Nauk},
     pages = {1315--1319},
     publisher = {mathdoc},
     volume = {304},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_6_a8/}
}