TY - JOUR AU - A. Kanibir TI - On Pairwise S-Closed Subspaces JO - Mathematica balkanica PY - 1999 SP - 15 VL - 13 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1999_13_1-2_a2/ ID - MABA_1999_13_1-2_a2 ER -