Mathematical Inequalities & Applications · Volume 21, Issue 1 Continuity and approximate differentiability of multisublinear fractional maximal functions 21-03 Pages 25-40 DOI 10.7153/mia-2018-21-03 Downloads Short PDF Full PDF PNG Authors Feng Liu Keywords multisublinear fractional maximal operator Sobolev space continuity approximate differentiability Subject classes 42B25 46E35