@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/