TY  - JOUR
AU  - Ya. G. Sinai
AU  - A. Ya. Helemskii
TI  - Description of differentiations in algebras of the type of locally observable spin system algebras
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1972
SP  - 99
EP  - 100
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1972_6_4_a21/
LA  - ru
ID  - FAA_1972_6_4_a21
ER  -