@article{BUMI_2011_9_4_1_a5,
     author = {De Falco, Maria and de Giovanni, Francesco and Musella, Carmela},
     title = {Groups with {Normality} {Conditions} for {Non-Periodic} {Subgroups}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {109--121},
     publisher = {mathdoc},
     volume = {Ser. 9, 4},
     number = {1},
     year = {2011},
     zbl = {1238.20043},
     mrnumber = {2797468},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2011_9_4_1_a5/}
}