Tadeusz Iwaniec

• Geometric function theory and non-linear analysis
• The Beltrami equation
• Elliptic Partial Differential Equations and Quasiconformal Mappings in the Plane (PMS-48)
• N-harmonic Mappings Between Annuli
• N-harmonic mappings between annuli
• Partial Differential Equations (Banach Center Publications)
• Regularity theorems for solutions of partial differential equations for quasiconformal mappings in several dimmensions