Mathematical Inequalities & Applications · Volume 1, Issue 2 Certain open problems of quasiconformal theory related to inequalities 01-23 Pages 247-251 DOI 10.7153/mia-01-23 Downloads Short PDF Full PDF PNG Authors V. I. Semenov Keywords quasiconformal mappings quasiconformal deformations stability theorems quasiregular mappings extension of quasiconformal mappings branch point Subject classes 30C75