Browsing Universidad de la Frontera by Author "El-Sayed Ahmed, A."
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Characterizations for certain analytic functions by series expansions with Hadamard gaps
El-Sayed Ahmed, A.; Kamal, A.; Yassen, T.I.. CUBO, A Mathematical Journal; Vol. 16 No. 1 (2014): CUBO, A Mathematical Journal; 81–93 -
Composition operators in hyperbolic general Besov-type spaces
El-Sayed Ahmed, A.; Bakhit, M. A.. CUBO, A Mathematical Journal; Vol. 15 No. 3 (2013): CUBO, A Mathematical Journal; 19–30