TY  - JOUR
AU  - R. G. Ismagilov
TI  - Exact instanton-anti-instanton solutions and semiclassical expansion in the~$\sigma$ model with fermions
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1985
SP  - 60
EP  - 69
VL  - 65
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1985_65_1_a5/
LA  - ru
ID  - TMF_1985_65_1_a5
ER  -