Bello, Ignacio. Topics in contemporary mathematics, c2005: t.p. (Anton Kaul; Calif. Polytechnic State Univ.)

Elementary linear algebra, 2019: title page (Anton Kaul, Professor, California Polytechnic State University)

Retrieved from University website, October 5, 2023: (Anton Kaul, Professor, Mathematics Department, California Polytechnic State University, San Luis Obispo) https://math.calpoly.edu/anton-kaul