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@article{DE_1991_27_9_a3, author = {V. N. Bobochko}, title = {Asymptotic integration of a system of differential equations with a turning point}, journal = {Differencialʹnye uravneni\^a}, pages = {1505--1515}, publisher = {mathdoc}, volume = {27}, number = {9}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1991_27_9_a3/} }
V. N. Bobochko. Asymptotic integration of a system of differential equations with a turning point. Differencialʹnye uravneniâ, Tome 27 (1991) no. 9, pp. 1505-1515. http://geodesic.mathdoc.fr/item/DE_1991_27_9_a3/