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@article{PORMA_1985__43_3_114562, author = {Kato, Goro}, title = {On the notion of precohomology}, journal = {Portugaliae mathematica}, pages = {307--316}, publisher = {mathdoc}, volume = {43}, number = {3}, year = {1985}, mrnumber = {0886457}, zbl = {0597.18010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_3_114562/} }
Kato, Goro. On the notion of precohomology. Portugaliae mathematica, Tome 43 (1985) no. 3, pp. 307-316. http://geodesic.mathdoc.fr/item/PORMA_1985__43_3_114562/