@article{MAN_1978__236_163162,
     author = {Stanley R. Samsky},
     title = {Finite {Covers} and {Modules} of {Functions.}},
     journal = {Mathematische Annalen},
     pages = {117--124},
     publisher = {mathdoc},
     volume = {236},
     year = {1978},
     zbl = {0381.32013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__236_163162/}
}