@article{DE_1996_32_1_a3,
     author = {A. V. Dyadechko},
     title = {Some estimates for root functions of a matrix differential operator with a diagonal-matrix eigenvalue},
     journal = {Differencialʹnye uravneni\^a},
     pages = {22--31},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_1_a3/}
}