@article{10_37236_8451,
     author = {Maria Chudnovsky and Patrick Hompe and Alex Scott and Paul Seymour and Sophie Spirkl},
     title = {Concatenating bipartite graphs},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {2},
     doi = {10.37236/8451},
     zbl = {1491.05070},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/8451/}
}