Zhang L. Infinite Families of Congruences Modulo 81 for Overpartitions with Restricted Odd Differences. Electron. J. Combin. [Internet]. 2025Dec.12 [cited 2026Mar.27];32(4):P4.62. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i4p62