Review of Funktionalgleichungen der Theorie der geometrischen Objekte by Albert Nijenhuis, MR0133763.
Review of Vorlesungen über Funktionalgleichungen und ihre Anwendungen by Marek Kuczma, MR0124647.
Review of Lectures on functional equations and their applications by M. Hosszú, MR0208210.
Review of A short course on functional equations by Dale K. Osborne, MR0875412.
Review of Functional equations in several variables by K. Lajkó, MR1004465.
ams.org
Ebanks, Bruce; Ng, Che Tat (2005), "Tribute to a distinguished Professor: János Aczél at 80", Aequationes Mathematicae, 69 (1-2), ss. 1-5, doi:10.1007/s00010-004-2769-z, MR2126180.
Ng, Che Tat (2010), "Tribute to a distinguished Professor János Aczél at 85", Aequationes Mathematicae, 80 (1-2), ss. 1-4, doi:10.1007/s00010-010-0052-z, MR2736935.
Luce, R. Duncan (1999), "Personal reflections on an unintentional behavioral scientist", Aequationes Mathematicae, 58 (1-2), ss. 3-15, doi:10.1007/s000100050088.
Ebanks, Bruce; Ng, Che Tat (2005), "Tribute to a distinguished Professor: János Aczél at 80", Aequationes Mathematicae, 69 (1-2), ss. 1-5, doi:10.1007/s00010-004-2769-z, MR2126180.
Ng, Che Tat (2010), "Tribute to a distinguished Professor János Aczél at 85", Aequationes Mathematicae, 80 (1-2), ss. 1-4, doi:10.1007/s00010-010-0052-z, MR2736935.
