@article{IIGUM_2015_11_a5,
     author = {A. A. Kosov and E. I. Semenov},
     title = {Exact solutions of a class of nonlinear elliptic systems of a special type},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {69--79},
     publisher = {mathdoc},
     volume = {11},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2015_11_a5/}
}