%0 Journal Article %A G. M. Vainikko %A P. È. Oja %T The convergence and rate of convergence of the Galerkin method for abstract evolution equations %J Differencialʹnye uravneniâ %D 1975 %P 1269-1277 %V 11 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_7_a12/ %G ru %F DE_1975_11_7_a12