On the integration processes of A. Huťa

Huta [1], [2] has given two processes for solving a first order differential equation to sixth order accuracy. His methods are each eight stage Runge-Kutta processes and differ mainly in that the later process has simpler coefficients occurring in it.

[1]  J. Butcher Coefficients for the study of Runge-Kutta integration processes , 1963, Journal of the Australian Mathematical Society.