Internet, https://lccn.loc.gov/n81066442, 2019-02-11
Information trouvée : Guy, Richard K. - Naissance : 1916-09-30
Unsolved problems in geometry / Hallard T. Croft, Kenneth J. Falconer, Richard K.
Guy, 1991
Wikipedia, 2020-03-09
Information trouvée : Richard Kenneth Guy (30 September 1916 – 9 March 2020) was a British mathematician
and professor emeritus in the Department of Mathematics at the University of Calgary.