%0 Journal Article %A Fan Van Khap %T Some iteration methods for the approximate solution of operator equations, and their application %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1976 %P 87-94 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1976_4_a8/ %G ru %F IVM_1976_4_a8