%0 Journal Article %A G. N. Gestrin %T Feynman's integral and the expansion in the eigenfunctions of the Schr\"odinger operator %J Funkcionalʹnyj analiz i ego priloženiâ %D 1976 %P 75-76 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1976_10_1_a11/ %G ru %F FAA_1976_10_1_a11