@article{01746907, title = {Global geometric aspects of Riemann-Hilbert problems.}, journal = {Georgian Mathematical Journal}, volume = {8}, year = {2001}, pages = {713-726}, zbl = {0998.58001}, language = {en}, url = {http://dml.mathdoc.fr/item/01746907} }
Bojarski, B.; Khimshiashvili, G. Global geometric aspects of Riemann-Hilbert problems.. Georgian Mathematical Journal, Tome 8 (2001) pp. 713-726. http://gdmltest.u-ga.fr/item/01746907/