%0 Journal Article %A Betty Kvarda Garrison %T Density inequalities for a restricted sum of sets of lattice points %J Acta Arithmetica %D 1970 %P 373-377 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-17-4-373-377/ %R 10.4064/aa-17-4-373-377 %G en %F 10_4064_aa_17_4_373_377