Janse van Rensburg EJ, Rechnitzer A. Exchange Symmetries in Motzkin Path and Bargraph Models of Copolymer Adsorption. Electron. J. Combin. [Internet]. 2002Apr.23 [cited 2026May6];9(1):#R20. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v9i1r20