TY  - JOUR
AU  - Jun Yan
TI  - The~сigar soliton and the~Ricci flows perturbation solutions in the~two-dimensional string $\sigma$ model
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2023
SP  - 97
EP  - 110
VL  - 215
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_2023_215_1_a4/
LA  - ru
ID  - TMF_2023_215_1_a4
ER  -