Eriksen N, Eriksson H, Eriksson K. Diagonal Checker-jumping and Eulerian Numbers for Color-signed Permutations. Electron. J. Combin. [Internet]. 2000Jan.26 [cited 2026May3];7(1):#R3. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v7i1r3