%0 Journal Article %A N. K. Kulikov %T Qualitative-quantitative investigation of the solutions of second-order ordinary linear homogeneous differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1965 %P 75-83 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1965_4_a8/ %G ru %F IVM_1965_4_a8