Operators and Matrices · Volume 9, Issue 4 𝐂*-algebras of Bergman type operators with continuous coefficients on polygonal domains 09-45 Pages 773-802 DOI 10.7153/oam-09-45 Downloads Short PDF Full PDF PNG Authors Yuri I. Karlovich Keywords Bergman and anti-Bergman projections sector polygon C✻-algebra local principle symbol calculi invertibility Fredholmness Subject classes 47L15 45E10 47A53 47G10 47L30