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@article{MAN_1960__141_160799, author = {R. CHALKLEY}, title = {On the {Second} {Order} {Homogeneous} {Quadratic} {Differential} {Equation.}}, journal = {Mathematische Annalen}, pages = {87--98}, publisher = {mathdoc}, volume = {141}, year = {1960}, zbl = {0106.05801}, url = {http://geodesic.mathdoc.fr/item/MAN_1960__141_160799/} }
R. CHALKLEY. On the Second Order Homogeneous Quadratic Differential Equation.. Mathematische Annalen, Tome 141 (1960), pp. 87-98. http://geodesic.mathdoc.fr/item/MAN_1960__141_160799/