TY - JOUR AU - Raimond Struble TI - A two-sided operational calculus JO - Studia Mathematica PY - 1977 SP - 239 EP - 254 VL - 60 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-60-3-239-254/ DO - 10.4064/sm-60-3-239-254 LA - en ID - 10_4064_sm_60_3_239_254 ER -