@article{ZNSL_1981_101_a15,
     author = {M. G. Tseitlin},
     title = {Pohlmeyer transformation in {Euclidean} space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {196--202},
     publisher = {mathdoc},
     volume = {101},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_101_a15/}
}