@article{IJAMCS_2006_16_3_a9,
     author = {Katarzyniak, R. P.},
     title = {On some properties of grounding nonuniform sets of modal conjunctions},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {399--412},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2006_16_3_a9/}
}