@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/}
}