TY - JOUR AU - R. Bittner TI - Operational calculus in linear spaces JO - Studia Mathematica PY - 1961 SP - 1 EP - 18 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-20-1-1-18/ DO - 10.4064/sm-20-1-1-18 LA - en ID - 10_4064_sm_20_1_1_18 ER -