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@article{AUCMP_1981__22_2_a2, author = {\v{S}imon, J.}, title = {Op\'erations d\'eriv\'ees des treillis orthomodulaire {(Part} 1)}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {7--14}, publisher = {mathdoc}, volume = {22}, number = {2}, year = {1981}, mrnumber = {0654377}, zbl = {0477.06007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1981__22_2_a2/} }
Šimon, J. Opérations dérivées des treillis orthomodulaire (Part 1). Acta Universitatis Carolinae. Mathematica et Physica, Tome 22 (1981) no. 2, pp. 7-14. http://geodesic.mathdoc.fr/item/AUCMP_1981__22_2_a2/