TY - JOUR AU - M. Reichaw TI - On the convergence of superpositions of a sequence of operators JO - Studia Mathematica PY - 1964 SP - 343 EP - 351 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-25-3-343-351/ DO - 10.4064/sm-25-3-343-351 LA - en ID - 10_4064_sm_25_3_343_351 ER -