@article{DE_2006_42_7_a9,
     author = {A. D. Lyashko and E. M. Fedotov},
     title = {Error estimates for projection-difference schemes for degenerate nonstationary equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {951--955},
     publisher = {mathdoc},
     volume = {42},
     number = {7},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_7_a9/}
}