%0 Journal Article %A A. Puvaneswari %A A. Ramesh Babu %A T. Valanarasu %T Cubic spline scheme on variable mesh for singularly perturbed periodical boundary value problem %J Novi Sad Journal of Mathematics %D 2020 %P 157 - 172 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.09886/ %R 10.30755/NSJOM.09886 %F 10.30755/NSJOM.09886