Journal of Classical Analysis · Volume 8, Issue 1 Pointwise estimate for linear combinations of Phillips operators 08-03 Pages 41-51 DOI 10.7153/jca-08-03 Downloads Short PDF Full PDF PNG Authors Gancho Tachev Keywords pointwise approximation Ditzian-Totik modulus of smoothness linear combinations inverse theorems Phillips operators Subject classes 41A10 41A25 41A36