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@article{DE_1981_17_10_a12, author = {A. A. Dezin}, title = {On weak and strong irregularity}, journal = {Differencialʹnye uravneni\^a}, pages = {1851--1858}, publisher = {mathdoc}, volume = {17}, number = {10}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_10_a12/} }
A. A. Dezin. On weak and strong irregularity. Differencialʹnye uravneniâ, Tome 17 (1981) no. 10, pp. 1851-1858. http://geodesic.mathdoc.fr/item/DE_1981_17_10_a12/