%0 Journal Article %A M. V. Bushmanova %T Finite-dimensional approximations to the solution of a~linear operator equation of the first kind %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1977 %P 11-17 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1977_9_a2/ %G ru %F IVM_1977_9_a2