%0 Journal Article
%A A. I. Koshelev
%T On the boundedness in $L_p$ of derived solutions of elliptical equations and elliptical systems
%J Doklady Akademii Nauk
%D 1957
%P 542-544
%V 116
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_116_4_a4/
%G ru
%F DAN_1957_116_4_a4