%0 Journal Article %A A. Ya. Kazakov %T The Laplace method and second-order differential equations with second-order polynomial coefficients %J Differencialʹnye uravneniâ %D 1986 %P 354-356 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_2_a25/ %G ru %F DE_1986_22_2_a25