References for Leo Zippin
Version for printing
- B Yandell, The honors class: Hilbert's problems and their solvers (A K Peters, 2002).
- I J Schoenberg, A brief account of my life and work, in C.de Boor (ed.), I J Schoenberg, Selected Papers Vol 1 (Birkhäuser, Boston, 1988), 1-10.
- Leo Zippin, 90, Dies; Solved Math Puzzle, New York Times (20 May, 1995).
JOC/EFR March 2011
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