%0 Journal Article
%A O. V. Sarmanov
%T Generalized normal correlation and two-dimensional Fr\'echet classes
%J Doklady Akademii Nauk
%D 1966
%P 32-35
%V 168
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_168_1_a6/
%G ru
%F DAN_1966_168_1_a6