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@article{JLT_1993_3_2_a6, author = {G. Czichowski}, title = {Geometrical {Aspects} of {<em>SL(2)</em>-Invariant} {Second} {Order} {Ordinary} {Differential} {Equations}}, journal = {Journal of Lie theory}, pages = {231--238}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1993}, url = {http://geodesic.mathdoc.fr/item/JLT_1993_3_2_a6/} }
G. Czichowski. Geometrical Aspects of SL(2)-Invariant Second Order Ordinary Differential Equations. Journal of Lie theory, Tome 3 (1993) no. 2, pp. 231-238. http://geodesic.mathdoc.fr/item/JLT_1993_3_2_a6/