%0 Journal Article
%A Ya. G. Sinai
%A A. Ya. Helemskii
%T Description of differentiations in algebras of the type of locally observable spin system algebras
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1972
%P 99-100
%V 6
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1972_6_4_a21/
%G ru
%F FAA_1972_6_4_a21