@article{ARM_2007__43_3_a5,
     author = {Modugno, Marco and Vitolo, Raffaele},
     title = {The geometry of {Newton's} law and rigid systems},
     journal = {Archivum mathematicum},
     pages = {197--229},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {2007},
     mrnumber = {2354808},
     zbl = {1164.70014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2007__43_3_a5/}
}