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@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/} }
Šimon, J. Opérations dérivées des treillis orthomodulaires (Part 2). Acta Universitatis Carolinae. Mathematica et Physica, Tome 23 (1982) no. 1, pp. 29-36. http://geodesic.mathdoc.fr/item/AUCMP_1982__23_1_a3/