@article{DE_1977_13_5_a2,
     author = {P. B. Golokvoschyus},
     title = {A construction of the fundamental matrix of solutions of a certain system of differential equations, and a study of its behavior},
     journal = {Differencialʹnye uravneni\^a},
     pages = {815--825},
     publisher = {mathdoc},
     volume = {13},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_5_a2/}
}