@article{MASLO_2001__51_1_a2,
     author = {Pi\'oro, Konrad},
     title = {The weak subalgebra lattice of a unary partial algebra of a given infinite unary type},
     journal = {Mathematica slovaca},
     pages = {25--44},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2001},
     mrnumber = {1817720},
     zbl = {0986.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2001__51_1_a2/}
}