TY - JOUR AU - Jau-D. Chen TI - A theorem of Cesari on mulitple Fourier series JO - Studia Mathematica PY - 1973 SP - 69 EP - 80 VL - 49 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-49-1-69-80/ DO - 10.4064/sm-49-1-69-80 LA - en ID - 10_4064_sm_49_1_69_80 ER -