@article{MM2_1997__92_3_156259,
     author = {Antonio Campillo and Carlos Galindo},
     title = {On the {Graded} {Algebra} relative to a valuation.},
     journal = {Manuscripta mathematica},
     pages = {173--190},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1997},
     zbl = {0881.13001},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__92_3_156259/}
}