Marek Kuczma (10 October 1935 in Katowice – 13 June 1991 in Katowice) was a Polish mathematician working mostly in the area of functional equations. He wrote several influential monographs in this field.
Bibliography
Kuczma, Marek (1968). Functional equations in a single variable. Warszawa: PWN.
Kuczma, Marek (2009). Attila Gilányi (ed.). An introduction to the theory of functional equations and inequalities: Cauchy's equation and Jensen's inequality (2nd ed.). Basel: Birkhäuser. ISBN9783764387495.