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@article{NUMA_1986__50_133147, author = {E. Gekeler and R. Widman}, title = {On the {Order} {Conditions} of {Runge-Kutta} {Methods} with {Higher} {Derivatives.}}, journal = {Numerische Mathematik}, pages = {183--204}, publisher = {mathdoc}, volume = {50}, year = {1986}, url = {http://geodesic.mathdoc.fr/item/NUMA_1986__50_133147/} }
E. Gekeler; R. Widman. On the Order Conditions of Runge-Kutta Methods with Higher Derivatives.. Numerische Mathematik, Tome 50 (1986), pp. 183-204. http://geodesic.mathdoc.fr/item/NUMA_1986__50_133147/