%0 Journal Article %A Roggenkamp, Klaus W. %T R-orders in a Split Algebra have Finitely Many Non-Isomorphic Irreducible Lattices as soon as R has Finite Class Number %J Canadian mathematical bulletin %D 1971 %P 405-409 %V 14 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-070-1/ %R 10.4153/CMB-1971-070-1 %F 10_4153_CMB_1971_070_1