1.
Kano M, Ozeki K, Suzuki K, Tsugaki M, Yamashita T. Spanning $k$-trees of Bipartite Graphs. Electron. J. Combin. [Internet]. 2015Jan.20 [cited 2026Mar.15];22(1):P1.13. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i1p13