@article{IIGUM_2010_3_1_a2,
     author = {O. V. Korobova},
     title = {Matrix fundamental operator-function of singular differential operator of high order in terms of the spectral bounded},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {30--35},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2010_3_1_a2/}
}