TY - JOUR AU - Jerzy Płonka TI - On connections between the decomposition of an algebra into sums of direct systems of subalgebras JO - Fundamenta Mathematicae PY - 1974 SP - 237 EP - 244 VL - 84 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-84-3-237-244/ DO - 10.4064/fm-84-3-237-244 LA - en ID - 10_4064_fm_84_3_237_244 ER -