1.
Robertson A, Wilf HS, Zeilberger D. Permutation Patterns and Continued Fractions. Electron. J. Combin. [Internet]. 1999Oct.1 [cited 2026May29];6(1):#R38. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v6i1r38