On common fixed points of weakly commuting mappings and set-valued mappings. Sessa, S.; Fisher, B. — 1986 International Journal of Mathematics and Mathematical Sciences
On sequences of contractive mappings and their fixed points. Imdad, M.; Khan, M.S.; Sessa, S. — 1988 International Journal of Mathematics and Mathematical Sciences
On some weak conditions of commutativity in common fixed point theorems. Imdad, M.; Khan, M.S.; Sessa, S. — 1988 International Journal of Mathematics and Mathematical Sciences
On common fixed points of compatible mappings in metric and Banach spaces. Sessa, S.; Rhoades, B.E.; Khan, M.S. — 1988 International Journal of Mathematics and Mathematical Sciences
Some fixed point theorems for Hardy-Rogers type mappings. Rhoades, B.E.; Sessa, S.; Khan, M.S.; Khan, M.D. — 1984 International Journal of Mathematics and Mathematical Sciences