@ARTICLE{
author={Kamran Tayyab,Rakocevic Vladimir R,Waheed Mehwish,Ali Muhammad Usman},
year={2016},
title={Fixed Points of Multivalued Maps Via (G,phi) - Contraction},
journal={UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN-SERIES A-APPLIED MATHEMATICS AND PHYSICS},
volume={78},
number={4},
pages={189-196},
document_type={Article},
} 

@ARTICLE{
author={Kamran Tayyab,Cakic Nenad P},
year={2008},
title={Hybrid Tangential Property And Coincidence Point Theorems},
journal={FIXED POINT THEORY},
volume={9},
number={2},
pages={487-496},
document_type={Article},
}