%0 Journal Article %A V. P. Tanana %T Approximate solution of operator equations of the first kind and the geometric properties of Banach spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1971 %P 81-93 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1971_7_a10/ %G ru %F IVM_1971_7_a10