TY - JOUR AU - Tord Sjödin TI - On ordinary differentiability of Bessel potentials JO - Annales Polonici Mathematici PY - 1984 SP - 325 EP - 352 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-44-3-325-352/ DO - 10.4064/ap-44-3-325-352 LA - en ID - 10_4064_ap_44_3_325_352 ER -