@article{AUCMP_1982__23_1_a3,
     author = {\v{S}imon, J.},
     title = {Op\'erations d\'eriv\'ees des treillis orthomodulaires {(Part} 2)},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {29--36},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1982},
     mrnumber = {0678475},
     zbl = {0518.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1982__23_1_a3/}
}