The Automatic Solution of Systems of Ordinary Differential Equations by the Method of Taylor Series. - David Barton; I. M. Willers; R. V. M. Zahar (Comput. J., 1971)

A New Integration Algorithm for Ordinary Differential Equations Based on Continued Fraction Approximations. - I. M. Willers (Commun. ACM, 1974)

The Syntax Directed Graph Algorithm for the Input of Equations to the Taylor Series System for Solving Ordinary Differential Equations. - I. M. Willers (Comput. J., 1976)