@article{CMJ_2008__58_4_a12,
     author = {Boskoff, Wladimir G. and Suceav\u{a}, Bogdan D.},
     title = {Barbilian's metrization procedure in the plane yields either {Riemannian} or {Lagrange} generalized metrics},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1059--1068},
     publisher = {mathdoc},
     volume = {58},
     number = {4},
     year = {2008},
     mrnumber = {2471165},
     zbl = {1174.53015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_4_a12/}
}