Kurniadi E. A DIFFERENTIABLE STRUCTURE ON A FINITE DIMENSIONAL REAL VECTOR SPACE AS A MANIFOLD. BAREKENG: J. Math. & App. [Internet]. 19Dec.2023 [cited 23Jul.2024];17(4):2207-12. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/9894