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@article{DE_1985_21_9_a11, author = {Ya. V. Radyno}, title = {Vectors of exponential type in the operator calculus, and differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1559--1569}, publisher = {mathdoc}, volume = {21}, number = {9}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_9_a11/} }
Ya. V. Radyno. Vectors of exponential type in the operator calculus, and differential equations. Differencialʹnye uravneniâ, Tome 21 (1985) no. 9, pp. 1559-1569. http://geodesic.mathdoc.fr/item/DE_1985_21_9_a11/