%0 Journal Article %A A. V. Makarov %T The structure of the field of effectiveness of a numerical summability matrix over a Banach space with a basis %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1977 %P 66-76 %N 11 %U http://geodesic.mathdoc.fr/item/IVM_1977_11_a8/ %G ru %F IVM_1977_11_a8