@article{TMF_2017_193_3_a1,
     author = {D. V. Bykov},
     title = {A~gauged linear formulation for flag-manifold $\sigma$-models},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {381--400},
     publisher = {mathdoc},
     volume = {193},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2017_193_3_a1/}
}