[1] Aimar H. Singular integrals and approximate identities on spaces of homogeneous type. Trans Amer Math Soc, 1985, 292: 135--153
[2] Bernardis A, Hartzstein S, Pradolini G. Weighted inequalities for commutators of fractional integrals on spaces of homogeneous type. J Math Anal Appl, 2006, 322: 825--846
[3] Garcia-Cuerva J, Rubio de Francia J L. Weighted Norm Inequalities and Related Topics. North-Holland Math Stud 116. Amsterdam: North-Holland, 1985
[4] Mac\'ias R, Segovia C. Lipschitz functions on spaces of homogeneous type. Adv Math, 1979, 33: 257--270
[5] O'Neil R. Fractional integration in Orlicz spaces. Trans Amer Math Soc, 1965, 115: 300--328
[6] Pradolini G, Salinas O. Maximal operators on spaces of homogeneous type. Proc Amer Math Soc, 1995, 71: 135--157
[7] P\'erez C, Wheeden R. Uncertainty principle estimates for vector fields. J Funct Anal, 2001, 181: 146--188
[8] Hu G, Zhang Q. A weighted weak type estimate for the fractional integral operator on spaces of homogeneous type. Preprint
|