@article{MASLO_2004_54_5_a4,
     author = {Ciema{\l}a, Marzena},
     title = {Natural homomorphisms of {Witt} rings of orders in algebraic number fields},
     journal = {Mathematica slovaca},
     pages = {473--477},
     year = {2004},
     volume = {54},
     number = {5},
     mrnumber = {2114618},
     zbl = {1108.11036},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2004_54_5_a4/}
}