An, Suhyung, JiYoon Jung, and Sangwook Kim. “Enumeration of Fuss-Schröder Paths”. The Electronic Journal of Combinatorics 24, no. 2 (June 2, 2017): #P2.30. Accessed May 26, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i2p30.