@misc{10_4153_CMB_1974_016_3,
     title = {Lattices with {Doubly} {Irreducible} {Elements}},
     journal = {Canadian mathematical bulletin},
     pages = {91--95},
     year = {1974},
     volume = {17},
     number = {1},
     doi = {10.4153/CMB-1974-016-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-016-3/}
}