@article{PORMA_1989__46_1_115647,
     author = {Camillo, Victor P.},
     title = {Commutative rings whose principal ideals are annihilators},
     journal = {Portugaliae mathematica},
     pages = {33--37},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {1989},
     mrnumber = {0996399},
     zbl = {0668.13007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_1_115647/}
}