Variable stepsize schemes for effective order methods and enhanced order composition methods. - John C. Butcher; T. M. H. Chan (Numer. Algorithms, 2001)

A Simplified Approach to the Order Conditions of Integration Methods. - T. M. H. Chan; Robert P. K. Chan (Computing, 2006)

Relations between the Hopf algebra and the B-series with new concepts. - T. M. H. Chan (Numer. Algorithms, 2014)