@article{10_4064_sm_50_3_245_250,
     author = {James Daniel},
     title = {A generalized contraction mapping theorem in {E-metric} spaces},
     journal = {Studia Mathematica},
     pages = {245--250},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1974},
     doi = {10.4064/sm-50-3-245-250},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-50-3-245-250/}
}