%0 Journal Article %A N. N. Konechnaja %T Asymptotic Integration of Symmetric Second-Order Quasidifferential Equations %J Matematičeskie zametki %D 2011 %P 875-884 %V 90 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2011_90_6_a5/ %G ru %F MZM_2011_90_6_a5