@article{COMIM_1996_4_1_a0,
     author = {Czoga{\l}a, Alfred},
     title = {On integral {Witt} equivalence of algebraic number fields},
     journal = {Communications in Mathematics},
     pages = {7--21},
     year = {1996},
     volume = {4},
     number = {1},
     mrnumber = {1446779},
     zbl = {0870.11022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_1996_4_1_a0/}
}