Internet, le 26-03-2005, http://en.wikipedia.org
Information trouvée : Underwood Dudley (born January 6, 1937) is a mathematician at Depauw University who
has written a number of research works and textbooks, but is best known for his popular
writing.
LCNA (CD OCLC), 1993-09 : Dudley, Underwood
The last problem / E. T. Bell ; Introd. and notes by Underwood Dudley, 1990 (ed. rev.
1951)