@article{MASLO_1986_36_2_a9,
     author = {Duda, Jarom{\'\i}r},
     title = {Congruences on products in varieties satisfying the {CEP}},
     journal = {Mathematica slovaca},
     pages = {171--177},
     year = {1986},
     volume = {36},
     number = {2},
     mrnumber = {849708},
     zbl = {0598.08005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1986_36_2_a9/}
}