TY - JOUR AU - MichaƂ Kowalski TI - Linear independence in linear rings with abstract differentiation JO - Annales Polonici Mathematici PY - 1976 SP - 215 EP - 234 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-32-3-215-234/ DO - 10.4064/ap-32-3-215-234 LA - en ID - 10_4064_ap_32_3_215_234 ER -