James S. Milne, Jacobian Varieties, Corollary 12.2 in Cornell & Silverman (1986) - Cornell, Gary; Silverman, Joseph, eds. (1986), Arithmetic Geometry, New York: Springer-Verlag, ISBN 978-3-540-96311-0, MR 0861969 https://mathscinet.ams.org/mathscinet-getitem?mr=0861969