Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1978_14_3_a21, author = {R. R. Mkrtumyan}, title = {A third order linear differential equation}, journal = {Differencialʹnye uravneni\^a}, pages = {551--553}, publisher = {mathdoc}, volume = {14}, number = {3}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_3_a21/} }
R. R. Mkrtumyan. A third order linear differential equation. Differencialʹnye uravneniâ, Tome 14 (1978) no. 3, pp. 551-553. http://geodesic.mathdoc.fr/item/DE_1978_14_3_a21/