%0 Journal Article
%A A. Ya. Helemskii
%T On the representation of differentiations by Hamiltonians, operating from an algebra of local observable spin systems
%J Matematičeskie zametki
%D 1977
%P 93-98
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1977_21_1_a10/
%G ru
%F MZM_1977_21_1_a10