@article{CMUC_1986__27_2_a2,
     author = {Pasztor, Ana},
     title = {Extremal subobjects of complete posets},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {229--234},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1986},
     mrnumber = {857543},
     zbl = {0601.06004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1986__27_2_a2/}
}