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@article{MS2_1968__22_166026, author = {P. Ribenboim and G. Sorani}, title = {Cohomology and {Homology} of {Pairs} of {Preshaves.}}, journal = {Mathematica Scandinavica}, pages = {5--16}, publisher = {mathdoc}, volume = {22}, year = {1968}, zbl = {0182.25802}, url = {http://geodesic.mathdoc.fr/item/MS2_1968__22_166026/} }
P. Ribenboim; G. Sorani. Cohomology and Homology of Pairs of Preshaves.. Mathematica Scandinavica, Tome 22 (1968), pp. 5-16. http://geodesic.mathdoc.fr/item/MS2_1968__22_166026/