%0 Journal Article %T Q-Functions on Quasimetric Spaces and Fixed Points for Multivalued Maps %A J. Marí %A n %A S. Romaguera %A P. Tirado %J Fixed Point Theory and Applications %D 2011 %I Springer %R 10.1155/2011/603861 %U http://dx.doi.org/10.1155/2011/603861