@article{10_4153_CMB_1960_033_8,
     author = {Vanstone, J. R.},
     title = {Autoparallel {Deviation} in the {Geometry} of {Lyra}},
     journal = {Canadian mathematical bulletin},
     pages = {263--271},
     year = {1960},
     volume = {3},
     number = {3},
     doi = {10.4153/CMB-1960-033-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-033-8/}
}