@article{ARM_1988__24_1_a1,
     author = {Schimming, Rainer},
     title = {Lorentzian geometry as determined by the volumes of small truncated light cones},
     journal = {Archivum mathematicum},
     pages = {5--15},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1988},
     mrnumber = {983003},
     zbl = {0662.53020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1988__24_1_a1/}
}