@article{10_4153_CMB_1973_068_4,
     author = {Coppotelli, Fred},
     title = {A {Construction} of {Subequalizers}},
     journal = {Canadian mathematical bulletin},
     pages = {433--433},
     year = {1973},
     volume = {16},
     number = {3},
     doi = {10.4153/CMB-1973-068-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-068-4/}
}