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@article{DE_1989_25_4_a21, author = {B. S. Kalitin}, title = {On a problem of {Florio} and {Seibert}}, journal = {Differencialʹnye uravneni\^a}, pages = {727--729}, publisher = {mathdoc}, volume = {25}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_4_a21/} }
B. S. Kalitin. On a problem of Florio and Seibert. Differencialʹnye uravneniâ, Tome 25 (1989) no. 4, pp. 727-729. http://geodesic.mathdoc.fr/item/DE_1989_25_4_a21/