aequationes mathematicaeDecember 1985, Volume 28, Issue 1, pp 209–211 | Cite asJános Aczél—A personal appreciation on the occasion of his 60th birthdayAuthorsAuthors and affiliationsB. SchweizerArticle 20 Downloads This is a preview of subscription content, log in to check accessPreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Birkhäuser Verlag 1985Authors and AffiliationsB. Schweizer11.Department of Mathematics and StatisticsUniversity of MassachusettsAmherstU.S.A.