Journal of Mathematical Inequalities · Volume 13, Issue 3 Upper and lower bounds for the optimal constant in the extended Sobolev inequality. Derivation and numerical results 13-52 Pages 753-778 DOI 10.7153/jmi-2019-13-52 Downloads Short PDF Full PDF PNG Authors Sh. M. Nasibov E. J. M. Veling Keywords Sobolev inequality optimal constant lower bound upper bound Subject classes 26D15 41A44