1. Ahmad, S.: Efficient implementation of implicit Runge–Kutta methods. Masters thesis, The University of Auckland. This can be provided on demand by the author (sahm056@aucklanduni.ac.nz) (2011)
2. Ahmad, S.: Design and construction of software for general linear methods, PhD thesis, Massey University, Auckland,
https://mro.massey.ac.nz/handle/10179/9925
(2016)
3. Butcher, J.C.: Optimal order and stepsize sequences,. IMA J. Numer. Anal. 6, 433–438 (1986)
4. Butcher, J.C.: Order, stepsize and stiffness switching. Computing 44, 209–220 (1990)
5. Butcher, J.C.: General linear methods for the parallel solution of ordinary differential equations. World Sci. Ser. Appl. Anal. 2, 99–111 (1993)