@article{ZNSL_1997_245_a7,
     author = {E. Sh. Gutshabash},
     title = {The transformation of {Pohlmeyer} and $(2+0)$ integrable equations of statistical physics},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {149--165},
     publisher = {mathdoc},
     volume = {245},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_245_a7/}
}