@article{MM2_1992__76_1_155739,
     author = {Ricardo Garc{\'\i}a L\'opez},
     title = {On the number of generators of modules over {Laurent} {Rings.}},
     journal = {Manuscripta mathematica},
     pages = {45--58},
     publisher = {mathdoc},
     volume = {76},
     number = {1},
     year = {1992},
     zbl = {0758.13008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155739/}
}