@article{DE_1984_20_7_a1,
     author = {N. V. Ardelyan and S. V. Chernigovsky},
     title = {Convergence of difference schemes for two-dimensional equations of gas dynamics taking account of gravitation in an acoustic approximation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1119--1127},
     publisher = {mathdoc},
     volume = {20},
     number = {7},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_7_a1/}
}