Asymptotic initial value methods for two-parameter singularly perturbed boundary value problems for second order ordinary differential equations. - T. Valanarasu; N. Ramanujam (Appl. Math. Comput., 2003)

An asymptotic initial value method for boundary value problems for a system of singularly perturbed second order ordinary differential equations. - T. Valanarasu; N. Ramanujam (Appl. Math. Comput., 2004)

Asymptotic initial-value method for a system of singularly perturbed second-order ordinary differential equations of convection-diffusion type. - T. Valanarasu; N. Ramanujam (Int. J. Comput. Math., 2004)

An asymptotic numerical method for singularly perturbed third-order ordinary differential equations with a weak interior layer. - T. Valanarasu; N. Ramanujam (Int. J. Comput. Math., 2007)