%0 Journal Article
%A M. A. Naimark
%T On commutative algebras of operators in the space $\Pi_k$
%J Doklady Akademii Nauk
%D 1965
%P 767-770
%V 161
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a7/
%G ru
%F DAN_1965_161_4_a7