TY - JOUR AU - J. R. Holub TI - Concerning biorthogonal systems in C(S) JO - Commentationes Mathematicae PY - 1970 SP - 275 EP - 279 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v13i2.5680/ DO - 10.14708/cm.v13i2.5680 LA - pl ID - 10_14708_cm_v13i2_5680 ER -