@article{RSMUP_1993__90__39_0,
     author = {Jim\'enez Seral, Paz},
     title = {A lattice of homomorphs},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {39--43},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {90},
     year = {1993},
     mrnumber = {1257130},
     zbl = {0810.20014},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1993__90__39_0/}
}