Geodesic
On some set of models of magnets and chiral fields: integrability, Darboux transformation and exact solutions
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 16, Tome 269 (2000), pp. 164-179 
E. Sh. Gutshabash. On some set of models of magnets and chiral fields: integrability, Darboux transformation and exact solutions. Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 16, Tome 269 (2000), pp. 164-179. http://geodesic.mathdoc.fr/item/ZNSL_2000_269_a12/
@article{ZNSL_2000_269_a12,
     author = {E. Sh. Gutshabash},
     title = {On some set of models of magnets and chiral fields: integrability, {Darboux} transformation and exact solutions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {164--179},
     year = {2000},
     volume = {269},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_269_a12/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

Two matrix linear systems which are the polynomial bunch with the complex parameter have been considered. The conditions of their compatibility have been find, also examples of integrable equations of magnets and chiral fields have been given. Some its exact solutions have been constructed.