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@article{DE_1990_26_12_a13, author = {A. P. Soldatov}, title = {Functional operators with a shift}, journal = {Differencialʹnye uravneni\^a}, pages = {2136--2145}, publisher = {mathdoc}, volume = {26}, number = {12}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_12_a13/} }
A. P. Soldatov. Functional operators with a shift. Differencialʹnye uravneniâ, Tome 26 (1990) no. 12, pp. 2136-2145. http://geodesic.mathdoc.fr/item/DE_1990_26_12_a13/