%0 Journal Article
%A A. G. Zarubin
%T Investigation of the Galerkin--Petrov projection procedure by the method of fractional powers
%J Doklady Akademii Nauk
%D 1987
%P 780-784
%V 297
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_297_4_a1/
%G ru
%F DAN_1987_297_4_a1