@article{TMF_1983_57_2_a6,
     author = {M. G. Tseitlin},
     title = {Explicit solutions of~$O(3)$ and~$O(2,1)$ chiral models and the associated equations of the two-dimensional {Toda} chain and the {Ernst} equation when the solutions are parametrized by arbitrary functions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {238--248},
     publisher = {mathdoc},
     volume = {57},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1983_57_2_a6/}
}