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@article{MAN_1983__265_163836, author = {Christian Herrmann}, title = {On the {Word} {Problem} for the {Modular} {Lattice} with {Four} {Free} {Generators.}}, journal = {Mathematische Annalen}, pages = {513--528}, publisher = {mathdoc}, volume = {265}, year = {1983}, zbl = {0506.06004}, url = {http://geodesic.mathdoc.fr/item/MAN_1983__265_163836/} }
Christian Herrmann. On the Word Problem for the Modular Lattice with Four Free Generators.. Mathematische Annalen, Tome 265 (1983), pp. 513-528. http://geodesic.mathdoc.fr/item/MAN_1983__265_163836/