TY - JOUR AU - Ivan Singer TI - On Some Duality Theorems for Bases, Finite Dimensional Decompositions and ... Systems. JO - Mathematische Annalen PY - 1974 SP - 337 EP - 343 VL - 211 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1974__211_162658/ ID - MAN_1974__211_162658 ER -