@article{ASUO_2011_XIX_3_a17,
     author = { Sergiu Rudeanu },
     title = { Proto-Boolean rings },
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XIX},
     number = {3},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2011_XIX_3_a17/}
}