TY  - JOUR
AU  - L. V. Artamonov
AU  - A. M. Grekhov
AU  - A. B. Roitsin
TI  - On the relation between direct and indirect exchanges in polyatomic systems
JO  - Doklady Akademii Nauk
PY  - 1979
SP  - 1115
EP  - 1119
VL  - 247
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1979_247_5_a21/
LA  - ru
ID  - DAN_1979_247_5_a21
ER  -