Stability and convergence of a class of variable order non-linear one-step rational integrators of initial value problems in ordinary differential equations. - F. O. Otunta; M. N. O. Ikhile (Int. J. Comput. Math., 1996)

A class of p-stable linear multistep numerical methods. - S. O. Fatunla; M. N. O. Ikhile; F. O. Otunta (Int. J. Comput. Math., 1999)

Efficient rational one-step numerical integrators for initial value problems in ordinary differential equations. - F. O. Otunta; M. N. O. Ikhile (Int. J. Comput. Math., 1999)

New extrapolation methods for initial value problems in ordinary differential equations. - M. N. O. Ikhile; F. O. Otunta (Int. J. Comput. Math., 2000)

Embedded implicit Runge-Kutta Nyström method for solving second-order differential equations. - S. O. Imoni; F. O. Otunta; T. R. Ramamohan (Int. J. Comput. Math., 2006)