@article{VCHGU_2008_10_a3,
     author = {A. A. Ershov},
     title = {On the asymptotic behavior of the solution of the second order linear differential equation},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {30--33},
     publisher = {mathdoc},
     number = {10},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_2008_10_a3/}
}