Buckmire, Ron; Beeton, Barbara; Bryant, Robert; Gouvêa, Fernando Q.; Phillips, Anthony; Sullivan, Dennis; Wolf, Michael (June–July 2024). "Michael Spivak: A Memorial"(PDF). Notices of the American Mathematical Society. 71 (6): 1. doi:10.1090/noti2956. Retrieved August 2, 2024.
Buckmire, Ron; Beeton, Barbara; Bryant, Robert; Gouvêa, Fernando Q.; Phillips, Anthony; Sullivan, Dennis; Wolf, Michael (June–July 2024). "Michael Spivak: A Memorial"(PDF). Notices of the American Mathematical Society. 71 (6): 1. doi:10.1090/noti2956. Retrieved August 2, 2024.