1.
Hung Y-C, Chen RW, Zame A, Chen M-R. A Note on the First Occurrence of Strings. Electron. J. Combin. [Internet]. 2010Jan.14 [cited 2026Mar.27];17(1):N5. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v17i1n5