@article{DE_1968_4_8_a17,
     author = {G. R. Gemedzhiev},
     title = {The normal fundamental system of solutions of a linear homogeneous differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1536--1537},
     publisher = {mathdoc},
     volume = {4},
     number = {8},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_8_a17/}
}