TY - JOUR AU - G. Ganchev AU - V. Milousheva TI - A Generation of Foliated Semi-Symmetric Hypersurfaces in Four-Dimensional Euclidean Space JO - Mathematica balkanica PY - 2007 SP - 97 VL - 21 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a8/ ID - MABA_2007_21_1-2_a8 ER -