TY - JOUR AU - Plamen Djakov TI - A short proof of the theorem of Crone and Robinson on quasi-equivalence of regular bases JO - Studia Mathematica PY - 1975 SP - 269 EP - 271 VL - 53 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-53-3-269-271/ DO - 10.4064/sm-53-3-269-271 LA - en ID - 10_4064_sm_53_3_269_271 ER -