TY  - JOUR
AU  - Yu. G. Rudoi
TI  - Bogolyubov's statistical variational principle and the Green's function method applied to the Heisenberg--Ising model
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1970
SP  - 129
EP  - 148
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1970_2_1_a10/
LA  - ru
ID  - TMF_1970_2_1_a10
ER  -