@article{DE_1969_5_9_a5,
     author = {V. M. Merkis},
     title = {Solution in finite form of certain second order linear systems of ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1594--1604},
     publisher = {mathdoc},
     volume = {5},
     number = {9},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_9_a5/}
}