@article{RSMUP_1967__38__23_0, author = {Crapo, Henry H.}, title = {Geometric duality}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {39}, year = {1967}, pages = {23-26}, mrnumber = {220638}, zbl = {0149.25902}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_1967__38__23_0} }
Crapo, Henry H. Geometric duality. Rendiconti del Seminario Matematico della Università di Padova, Tome 39 (1967) pp. 23-26. http://gdmltest.u-ga.fr/item/RSMUP_1967__38__23_0/
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