TY - JOUR AU - H. Sampławski TI - Fourier series and structural properties of functions JO - Commentationes Mathematicae PY - 1969 SP - 193 EP - 199 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v12i2.5137/ DO - 10.14708/cm.v12i2.5137 LA - pl ID - 10_14708_cm_v12i2_5137 ER -