@article{PORMA_1993__50_1_115810,
     author = {Beazer, R.},
     title = {Principal congruence properties of some algebras with pseudocomplementation},
     journal = {Portugaliae mathematica},
     pages = {75--86},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {1993},
     mrnumber = {1300587},
     zbl = {0801.06023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1993__50_1_115810/}
}