%0 Journal Article %A Baake, Michael %A Scharlau, Rudolf %A Zeiner, Peter %T Similar Sublattices of Planar Lattices %J Canadian journal of mathematics %D 2011 %P 1220-1237 %V 63 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-019-9/ %R 10.4153/CJM-2011-019-9 %F 10_4153_CJM_2011_019_9