@article{10_4153_S0008439521000898,
     author = {Francoeur, Dominik and Thillaisundaram, Anitha},
     title = {Maximal subgroups of nontorsion {Grigorchuk{\textendash}Gupta{\textendash}Sidki} groups},
     journal = {Canadian mathematical bulletin},
     pages = {825--844},
     year = {2022},
     volume = {65},
     number = {4},
     doi = {10.4153/S0008439521000898},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000898/}
}