%0 Journal Article %A V. P. Serebryakov %T The number of solutions with integrable square of a system of differential equations of Sturm--Liouville type %J Differencialʹnye uravneniâ %D 1988 %P 1732-1738 %V 24 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_10_a9/ %G ru %F DE_1988_24_10_a9