@article{CMUC_1979_20_2_a9,
     author = {Jir\'asko, Josef},
     title = {Pseudohereditary and pseudocohereditary preradicals},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {317--327},
     year = {1979},
     volume = {20},
     number = {2},
     mrnumber = {539560},
     zbl = {0412.18013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979_20_2_a9/}
}