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@article{DE_1965_1_6_a5, author = {A. M. Kolobov}, title = {On a periodic boundary value problem for a linear differential equation of the fourth order}, journal = {Differencialʹnye uravneni\^a}, pages = {758--763}, publisher = {mathdoc}, volume = {1}, number = {6}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_6_a5/} }
A. M. Kolobov. On a periodic boundary value problem for a linear differential equation of the fourth order. Differencialʹnye uravneniâ, Tome 1 (1965) no. 6, pp. 758-763. http://geodesic.mathdoc.fr/item/DE_1965_1_6_a5/