%0 Journal Article %A S. V. Khristenko %T Sturm expansions of the Green's functions for very simple systems %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 31-45 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_22_1_a2/ %G ru %F TMF_1975_22_1_a2