@article{10_4064_sm_31_5_547_554,
     author = {M. Kat\u{e}tov},
     title = {Metrics on an arc},
     journal = {Studia Mathematica},
     pages = {547--554},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1968},
     doi = {10.4064/sm-31-5-547-554},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-31-5-547-554/}
}