@article{DMGAA_2015_35_2_a4,
     author = {Wojciechowska-Rysiawa, Magdalena},
     title = {IF-filters of {pseudo-BL-algebras}},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {177--193},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2015_35_2_a4/}
}