@article{MASLO_1996_46_5_a4,
     author = {Pilitowska, Agata and Romanowska, Anna and Roszkowska-Lech, Barbara},
     title = {Products of mode varieties and algebras of subalgebras},
     journal = {Mathematica slovaca},
     pages = {497--514},
     year = {1996},
     volume = {46},
     number = {5},
     mrnumber = {1451038},
     zbl = {0890.08003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1996_46_5_a4/}
}