@article{IIGUM_2010_3_1_a7,
     author = {O. A. Romanova},
     title = {On some class of degenerated differential equations},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {70--77},
     year = {2010},
     volume = {3},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2010_3_1_a7/}
}