@article{TMF_2004_139_1_a11,
     author = {S. M. Khoroshkin},
     title = {Extremal {Projector} and {Dynamical} {Twist}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {158--176},
     publisher = {mathdoc},
     volume = {139},
     number = {1},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2004_139_1_a11/}
}