@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/}
}