%0 Journal Article %A V. A. Kurchatov %T Solution of functional equations with operators that have singular points %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1975 %P 101-104 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1975_9_a17/ %G ru %F IVM_1975_9_a17