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@article{DE_1992_28_8_a8, author = {V. A. Yurko}, title = {An inverse problem for differential equations with a singularity}, journal = {Differencialʹnye uravneni\^a}, pages = {1355--1362}, publisher = {mathdoc}, volume = {28}, number = {8}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_8_a8/} }
V. A. Yurko. An inverse problem for differential equations with a singularity. Differencialʹnye uravneniâ, Tome 28 (1992) no. 8, pp. 1355-1362. http://geodesic.mathdoc.fr/item/DE_1992_28_8_a8/