1. A fixed point theorem for a system of multivalued transformations;Czerwik;Proceedings of the American Mathematical Society,1976
2. Fixed point theory for generalized contractive maps on spaces with vector-valued metrics;O’Regan,2007
3. Fixed point theory for multivalued operators on a set with two metrics;Petrusel;Fixed Point Theory,2007
4. The theory of a metrical fixed point theory; theoretical and applicative relevances;Rus;Fixed Point Theory,2008
5. Data dependence of the fixed point set of multivalued weakly Picard operators;Rus;Nonlinear Analysis,2003