When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By A. Okay Celebi, Heinrich Begehr, W. Tutschke. 1 A reflection principle and its applications. - 3 Differential-operator solutions for complex partial differential equations. - 4 On a generalized Riemann-Hilbert boundary value problem for second order elliptic systems in the plane.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.