@article{DAN_1966_170_4_a8,
     author = {N. N. Moiseev},
     title = {Asymptotic representations of solutions of linear differential equations in the case of multiple elementary divisors of the characteristic equation},
     journal = {Doklady Akademii Nauk},
     pages = {780--782},
     publisher = {mathdoc},
     volume = {170},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_4_a8/}
}