@article{10_4153_CJM_1974_043_9,
     author = {Griffin, Malcolm},
     title = {Multiplication {Rings} {Via} {Their} {Total} {Quotient} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {430--449},
     year = {1974},
     volume = {26},
     number = {2},
     doi = {10.4153/CJM-1974-043-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-043-9/}
}