Das S, Ghosh S, Prabhu S, Sen S. A Homomorphic Polynomial for Oriented Graphs. Electron. J. Combin. [Internet]. 2023Mar.10 [cited 2026May15];30(1):#P1.47. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v30i1p47