@article{MASLO_1994__44_2_a11,
     author = {Petrich, Mario},
     title = {The translational hull of a normal cryptogroup},
     journal = {Mathematica slovaca},
     pages = {245--262},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1994},
     mrnumber = {1282538},
     zbl = {0807.20051},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a11/}
}