Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCover Picture.SubjectsMATHEMATICAL periodicals; MAGAZINE cover designPublicationMathematische Nachrichten, 2018, Vol 291, Issue 13, pNAISSN0025-584XPublication typeArticleDOI10.1002/mana.201870131