@article{GDZPPN001168959, title = {On the Optimal Choice of Fourth-Order Runge-Kutta Formulas.}, journal = {Numerische Mathematik}, volume = {15}, year = {1970}, pages = {354-358}, zbl = {0191.45101}, url = {http://dml.mathdoc.fr/item/GDZPPN001168959} }
LUTHER, H.A.; SIERRA, H.G. On the Optimal Choice of Fourth-Order Runge-Kutta Formulas.. Numerische Mathematik, Tome 15 (1970) pp. 354-358. http://gdmltest.u-ga.fr/item/GDZPPN001168959/