@article{10_4064_cm131_2_6,
     author = {Maria De Falco and Francesco de Giovanni and Carmela Musella},
     title = {Groups with finitely many conjugacy classes of non-normal subgroups of infinite rank},
     journal = {Colloquium Mathematicum},
     pages = {233--239},
     publisher = {mathdoc},
     volume = {131},
     number = {2},
     year = {2013},
     doi = {10.4064/cm131-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm131-2-6/}
}