Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1970_6_12_a4, author = {V. M. Darevskii}, title = {The solution of ordinary linear differential equations by trigonometric series}, journal = {Differencialʹnye uravneni\^a}, pages = {2163--2173}, publisher = {mathdoc}, volume = {6}, number = {12}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_12_a4/} }
V. M. Darevskii. The solution of ordinary linear differential equations by trigonometric series. Differencialʹnye uravneniâ, Tome 6 (1970) no. 12, pp. 2163-2173. http://geodesic.mathdoc.fr/item/DE_1970_6_12_a4/