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@article{DE_1973_9_1_a23, author = {M. M. Zainulabidov}, title = {A certain equation whose order degenerates along the curve of type change}, journal = {Differencialʹnye uravneni\^a}, pages = {177--179}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a23/} }
M. M. Zainulabidov. A certain equation whose order degenerates along the curve of type change. Differencialʹnye uravneniâ, Tome 9 (1973) no. 1, pp. 177-179. http://geodesic.mathdoc.fr/item/DE_1973_9_1_a23/