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@article{DE_1984_20_11_a29, author = {N. V. Rogova}, title = {An equation with semiregular degeneration}, journal = {Differencialʹnye uravneni\^a}, pages = {2013--2015}, publisher = {mathdoc}, volume = {20}, number = {11}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_11_a29/} }
N. V. Rogova. An equation with semiregular degeneration. Differencialʹnye uravneniâ, Tome 20 (1984) no. 11, pp. 2013-2015. http://geodesic.mathdoc.fr/item/DE_1984_20_11_a29/