%0 Journal Article %A G. M. Khammud %T A three-dimensional family of seven-step Runge-Kutta methods of order six %J Numerical methods and programming %D 2001 %P 159-166 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2001_2_1_a10/ %G ru %F VMP_2001_2_1_a10