This is a pretty good foundational reference for Bézier curves and b-splines https://www.sciencedirect.com/book/9780122490521/curves-and-surfaces-for-computer-a

This is a pretty good foundational reference for Bézier curves and b-splines https://www.sciencedirect.com/book/9780122490521/curves-and-surfaces-for-computer-aided-geometric-design https://www.sciencedirect.com/book/9780122490521/curves-and-...