TY  - JOUR
TI  - Trigonometric based B-spline method for singularly perturbed sobolev problems with initial layers
AU  - CHERU, S.L.
AU  - DURESSA, G.F.
AU  - MEKONNEN, T.B.
JO  - Sigma Journal of Engineering and Natural Sciences
PY  - 2025
VL  - 43
SP  - 1967
EP  - 1981
DO  - 10.14744/sigma.2025.1928
ER  -