@article{TMF_2023_217_3_a4,
     author = {D. V. Bykov},
     title = {Sigma models as {Gross--Neveu} {models.~II}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {499--514},
     publisher = {mathdoc},
     volume = {217},
     number = {3},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2023_217_3_a4/}
}