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@article{DAN_1979_247_5_a9, author = {E. V. Tyurikov}, title = {The nonlinear {Riemann--Hilbert} boundary value problem for quasilinear elliptic systems}, journal = {Doklady Akademii Nauk}, pages = {1068--1072}, publisher = {mathdoc}, volume = {247}, number = {5}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_247_5_a9/} }
E. V. Tyurikov. The nonlinear Riemann--Hilbert boundary value problem for quasilinear elliptic systems. Doklady Akademii Nauk, Tome 247 (1979) no. 5, pp. 1068-1072. http://geodesic.mathdoc.fr/item/DAN_1979_247_5_a9/