TY - JOUR AU - V. Kostova TI - On a Generalization of Jackson's Theorem in Rm JO - Mathematica balkanica PY - 1998 SP - 109 VL - 12 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1998_12_1-2_a9/ ID - MABA_1998_12_1-2_a9 ER -