TY - JOUR AU - Grzegorz Lysik TI - A characterization of real analytic functions JO - Annales Fennici Mathematici PY - 2018 SP - 475 EP - 482 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2018.4325/ DO - 10.5186/aasfm.2018.4325 LA - en ID - AFM_2018_43_1_a28 ER -