TY - JOUR AU - J. MikusiƄski TI - Convolution approximation and shift approximation JO - Studia Mathematica PY - 1966 SP - 1 EP - 8 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-28-1-1-8/ DO - 10.4064/sm-28-1-1-8 LA - en ID - 10_4064_sm_28_1_1_8 ER -