@article{IM_1976__35_142402,
     author = {M. Artin and J.S. Milne},
     title = {Duality in the {Flat} {Cohomology} of {Curves.}},
     journal = {Inventiones mathematicae},
     pages = {111--130},
     publisher = {mathdoc},
     volume = {35},
     year = {1976},
     zbl = {0342.14007},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__35_142402/}
}