Absolutely continuous measures and compact composition operator on spaces of Cauchy transforms. Abu Muhanna, Y.; Abu Muhanna, Yusuf — 2004 Southwest Journal of Pure and Applied Mathematics [electronic only]
On families of Cauchy transformations. Muhanna, Yusuf Abu; Yallaoui, El-Bachir — 1998 Southwest Journal of Pure and Applied Mathematics [electronic only]
Absolutely continuous measures and compact composition operator on spaces of Cauchy transforms. Muhanna, Yusuf Abu; Yallaoui, El-Bachir — 2004 International Journal of Mathematics and Mathematical Sciences