%0 Journal Article %A G. Ganchev %A V. Milousheva %T A Generation of Foliated Semi-Symmetric Hypersurfaces in Four-Dimensional Euclidean Space %J Mathematica balkanica %D 2007 %P 97 %V 21 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a8/ %F MABA_2007_21_1-2_a8