@article{MZM_1995_58_5_a5,
     author = {T. Matos},
     title = {Exact solutions of $G$-invariant chiral equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {710--716},
     publisher = {mathdoc},
     volume = {58},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_5_a5/}
}