@article{MAN_1928__99_159281,
     author = {J.L. Synge},
     title = {Geodesics in non-holonomic geometry},
     journal = {Mathematische Annalen},
     pages = {738--751},
     publisher = {mathdoc},
     volume = {99},
     year = {1928},
     zbl = {54.0758.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1928__99_159281/}
}