@article{MZ_1969__110_171175,
     author = {Fletcher Gross},
     title = {Hall {Subgroups} with {Cyclic} {Intersections.}},
     journal = {Mathematische Zeitschrift},
     pages = {335--338},
     publisher = {mathdoc},
     volume = {110},
     year = {1969},
     zbl = {0225.20016},
     url = {http://geodesic.mathdoc.fr/item/MZ_1969__110_171175/}
}