@article{DE_1991_27_2_a1,
     author = {S. A. Mazanik},
     title = {An exponential representation of solutions of a linear matrix differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {193--200},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_2_a1/}
}