%0 Journal Article %A Jasem, Milan %T On weak isometries in multilattice groups %J Mathematica slovaca %D 1990 %P 337-340 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1990__40_4_a0/ %G en %F MASLO_1990__40_4_a0