@article{DE_1975_11_11_a20, author = {I. A. Konoplyannik}, title = {A certain class of third order systems with a single-valued solution}, journal = {Differencialʹnye uravneni\^a}, pages = {2094--2096}, publisher = {mathdoc}, volume = {11}, number = {11}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_11_a20/} }