@article{1250129650,
author = {Campbell, David K.},
title = {Exact classical solutions to the two-dimensional "sigma" model; an unusual application of inverse scattering techniques},
journal = {Rocky Mountain J. Math.},
volume = {8},
number = {4},
year = {1978},
pages = { 371-392},
language = {en},
url = {http://dml.mathdoc.fr/item/1250129650}
}
Campbell, David K. Exact classical solutions to the two-dimensional "sigma" model; an unusual application of inverse scattering techniques. Rocky Mountain J. Math., Tome 8 (1978) no. 4, pp. 371-392. http://gdmltest.u-ga.fr/item/1250129650/