%0 Journal Article %A Michael Baake %A Rudolf Scharlau %A Peter Zeiner %T Well-rounded sublattices of planar lattices %J Acta Arithmetica %D 2014 %P 301-334 %V 166 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa166-4-1/ %R 10.4064/aa166-4-1 %G en %F 10_4064_aa166_4_1