@article{MS2_1994__75_2_167303,
     author = {Howard E. Bell and A.A. Klein},
     title = {Some {Noteworthy} {Properties} of {Zero} {Divisors} in {Infinite} {Rings.}},
     journal = {Mathematica Scandinavica},
     pages = {59--66},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {1994},
     zbl = {0824.16004},
     url = {http://geodesic.mathdoc.fr/item/MS2_1994__75_2_167303/}
}