@article{ALCO_2022__5_1_53_0,
     author = {Gu, Xiaofeng and Haemers, Willem H.},
     title = {Graph toughness from {Laplacian} eigenvalues},
     journal = {Algebraic Combinatorics},
     pages = {53--61},
     publisher = {MathOA foundation},
     volume = {5},
     number = {1},
     year = {2022},
     doi = {10.5802/alco.197},
     language = {en},
     url = {https://alco.centre-mersenne.org/articles/10.5802/alco.197/}
}