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@article{DE_1974_10_9_a19, author = {V. I. Kononenko}, title = {An $n$th order ordinary differential equation in a linear topological space}, journal = {Differencialʹnye uravneni\^a}, pages = {1727--1729}, publisher = {mathdoc}, volume = {10}, number = {9}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_9_a19/} }
V. I. Kononenko. An $n$th order ordinary differential equation in a linear topological space. Differencialʹnye uravneniâ, Tome 10 (1974) no. 9, pp. 1727-1729. http://geodesic.mathdoc.fr/item/DE_1974_10_9_a19/