TY  - JOUR
AU  - I. P. Dzyub
AU  - V. A. Nikolaev
TI  - Method of variational derivatives in the theory of spin waves at low temperatures
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1977
SP  - 237
EP  - 246
VL  - 32
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1977_32_2_a6/
LA  - ru
ID  - TMF_1977_32_2_a6
ER  -