%0 Journal Article
%A B. G. Gabdulkhaev
%T A note on the general theory of approximate methods in analysis
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 1965
%P 18-31
%V 125
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZKU_1965_125_2_a2/
%G ru
%F UZKU_1965_125_2_a2