%0 Journal Article %A V. V. Katrakhov %T Isometric transmutation operators and the spectral function for a class of one-dimensional singular pseudodifferential operators %J Doklady Akademii Nauk %D 1980 %P 1048-1051 %V 251 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_251_5_a4/ %G ru %F DAN_1980_251_5_a4