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@article{DE_1970_6_8_a11, author = {V. R. Portnov}, title = {The integral representation of functions by an ordinary differential operator}, journal = {Differencialʹnye uravneni\^a}, pages = {1424--1438}, publisher = {mathdoc}, volume = {6}, number = {8}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_8_a11/} }
V. R. Portnov. The integral representation of functions by an ordinary differential operator. Differencialʹnye uravneniâ, Tome 6 (1970) no. 8, pp. 1424-1438. http://geodesic.mathdoc.fr/item/DE_1970_6_8_a11/