1.
Disanto F, Frosini A, Pinzani R, Rinaldi S. A Closed Formula for the Number of Convex Permutominoes. Electron. J. Combin. [Internet]. 2007Aug.20 [cited 2026Mar.28];14(1):R57. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v14i1r57