@article{DE_1987_23_4_a22,
     author = {A. V. Lutsenko},
     title = {Application of the {Drazin} inversion on linear systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {719--721},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_4_a22/}
}