@article{CMJ_2006__56_2_a31,
     author = {Mortici, Cristinel},
     title = {The distance between fixed points of some pairs of maps in {Banach} spaces and applications to differential systems},
     journal = {Czechoslovak Mathematical Journal},
     pages = {689--695},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2006},
     mrnumber = {2291767},
     zbl = {1164.47358},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a31/}
}