@article{10_21136_CMJ_2021_0249_20,
     author = {Pu, Liqun and Tang, Yuan and Gao, Xiaoli},
     title = {Packing four copies of a tree into a complete bipartite graph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {39--57},
     publisher = {mathdoc},
     volume = {72},
     number = {1},
     year = {2022},
     doi = {10.21136/CMJ.2021.0249-20},
     mrnumber = {4389105},
     zbl = {07511552},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0249-20/}
}