@article{MAT_1969_13_5_a1,
     author = {H. Heineken and I. J. Mohamed},
     title = {A group with trivial centre satisfying the normalizer condition},
     journal = {Matematika},
     pages = {26--32},
     publisher = {mathdoc},
     volume = {13},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1969_13_5_a1/}
}