@article{ND_2007_3_2_a3,
     author = {A. V. Balandin and O. N. Kashcheeva},
     title = {Lax representation of chiral-type systems},
     journal = {Russian journal of nonlinear dynamics},
     pages = {175--202},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2007_3_2_a3/}
}