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@article{DE_1987_23_5_a26, author = {Yu. K. Lando and S. V. Yashchuk}, title = {On conditionally solvable integro-differential operators}, journal = {Differencialʹnye uravneni\^a}, pages = {902--904}, publisher = {mathdoc}, volume = {23}, number = {5}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_5_a26/} }
Yu. K. Lando; S. V. Yashchuk. On conditionally solvable integro-differential operators. Differencialʹnye uravneniâ, Tome 23 (1987) no. 5, pp. 902-904. http://geodesic.mathdoc.fr/item/DE_1987_23_5_a26/