Joseph L. Ullman (1923-1995)
- Joseph L. Ullman at the Mathematics Genealogy Project.
- Joseph L. Ullman at MathSciNet (for those with access).
- Lachance, M., and W. Van Assche, In Memoriam, Joseph L. Ullman (1923-1995) J. Approx. Theory 162 (2010), 639-645. For those with access, this article may be viewed at Science Direct.
