1. On nonlinear contractions;Boyd;Proc Amer Math Soc,1969
2. Fixed point theorems for a sequence of mappings with contractive iterates;Chatterjea;Publ l’Inst Math,1972
3. A generalization of Banach’s contraction principle;Ćirić;Proc Amer Math Soc,1974
4. The multistep Laplace optimized decomposition method for solving fractional-order coronavirus disease model (COVID-19) via the Caputo fractional approach;Maayah;Demonstratio Math,2022
5. Some unique fixed point theorems;Jaggi;Indian J Pure Appl Math,1977