%0 Journal Article %A A. Yu. Levin %T On the distribution of zeros of solutions of a linear differential equation %J Doklady Akademii Nauk %D 1964 %P 1281-1284 %V 156 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a7/ %G ru %F DAN_1964_156_6_a7