Keywords: European Journal of Combinatorics.png A cover of the European Journal of Combinatorics Couverture du Journal européen de combinatoire http //cams ehess fr/pom/EJC png European Journal of Combinatorics words Isaac Elsevier 1596 “1651 File Elsevier svg Albrecht Dürer 1471 “1528 File Dürer Melancholia I jpg This image is in the public domain because it is ineligible for copyright ;Words PD-simple ; File Elsevier svg PD-old-100 Trademarked ; File Dürer Melancholia I jpg PD-old-100 Original upload log fr wikipedia European_Journal_of_Combinatorics png 2013-12-28 19 40 Bloody-libu 430×607× 474486 bytes <nowiki> A cover of the European Journal of Combinatorics http //cams ehess fr/pom/EJC png PD-ineligible </nowiki> Mathematical journals Reed Elsevier |