@article{JGAA_2021_25_1_a25,
     author = {Vicente Acu\~na and Leandro Ishi Soares de Lima and Giuseppe Italiano and Luca Pep\`e Sciarria and Marie-France Sagot and Blerina Sinaimeri},
     title = {A family of tree-based generators for bubbles in directed graphs},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {563--580},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2021},
     doi = {10.7155/jgaa.00572},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00572/}
}