@article{MOMA_1983__96_178148,
     author = {Ottmar Loos},
     title = {Automorphism {Groups} of {Second} {Order} {Differential} {Equations.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {195--208},
     publisher = {mathdoc},
     volume = {96},
     year = {1983},
     zbl = {0517.58034},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1983__96_178148/}
}