Gallardo LH, Rahavandrainy O. Bell Numbers Modulo a Prime Number, Traces and Trinomials. Electron. J. Combin. [Internet]. 2014Dec.4 [cited 2026Mar.27];21(4):P4.49. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i4p49