@article{10_4153_CMB_1986_032_2,
     author = {Feigelstock, Shalom},
     title = {Groups {Admitting} only {Finitely} {Many} {Nilpotent} {Ring} {Structures}},
     journal = {Canadian mathematical bulletin},
     pages = {197--203},
     year = {1986},
     volume = {29},
     number = {2},
     doi = {10.4153/CMB-1986-032-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-032-2/}
}