%0 Journal Article %A V. A. Yavryan %T Regularized trace of the difference of two singular Sturm--Liouville operators %J Doklady Akademii Nauk %D 1966 %P 49-51 %V 169 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_1_a11/ %G ru %F DAN_1966_169_1_a11