@article{ALCO_2019__2_5_711_0,
     author = {East, James and Gadouleau, Maximilien and Mitchell, James D.},
     title = {Structural aspects of semigroups based on digraphs},
     journal = {Algebraic Combinatorics},
     pages = {711--733},
     publisher = {MathOA foundation},
     volume = {2},
     number = {5},
     year = {2019},
     doi = {10.5802/alco.56},
     zbl = {07115038},
     mrnumber = {4023563},
     language = {en},
     url = {https://alco.centre-mersenne.org/articles/10.5802/alco.56/}
}