@article{BSL_2018_47_2_a1,
     author = {Figallo, Aldo V. and Oliva, Nora and Ziliani, Alicia},
     title = {Free {Modal} {Pseudocomplemented} {De} {Morgan} {Algebras}},
     journal = {Bulletin of the Section of Logic},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BSL_2018_47_2_a1/}
}