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@article{DE_1975_11_8_a17, author = {I. P. Karklin'}, title = {Singularity of an orbit that contains a singular point}, journal = {Differencialʹnye uravneni\^a}, pages = {1506--1507}, publisher = {mathdoc}, volume = {11}, number = {8}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_8_a17/} }
I. P. Karklin'. Singularity of an orbit that contains a singular point. Differencialʹnye uravneniâ, Tome 11 (1975) no. 8, pp. 1506-1507. http://geodesic.mathdoc.fr/item/DE_1975_11_8_a17/