Bérczi K, Bernáth A, Vizer M. A Note on $\mathtt{V}$-free 2-matchings. Electron. J. Combin. [Internet]. 2016Nov.25 [cited 2026Mar.29];23(4):P4.27. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i4p27