1. ALGORITHM 670, A Runge–Kutta Nyström code;Brankin;ACM Trans. Math. Software,1989
2. Parallel and Sequential Methods for Ordinary Differential Equations;Burrage,1995
3. The Numerical Solution of Volterra Equations;Brunner,1996
4. Analysis of stability of rational approximations through computer algebra;Cafaro,1999
5. Rational approximations for the cosine function; P-acceptability and order;Coleman;Numer. Algorithms,1992