@article{ZNSL_2008_360_a5,
     author = {E. Sh. Gutshabash and P. P. Kulish},
     title = {Discrete symmetries, {Darboux} transformation, and exact solutions of the {Wess--Zumino--Novikov--Witten} model},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {139--152},
     publisher = {mathdoc},
     volume = {360},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2008_360_a5/}
}