Chen WYC, Li TXS, Wang DGL. A Bijection between Atomic Partitions and Unsplitable Partitions. Electron. J. Combin. [Internet]. 2011Jan.5 [cited 2026May1];18(1):#P7. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v18i1p7