TY - JOUR AU - S. Siudut TI - On the convergence of double singular integrals JO - Commentationes Mathematicae PY - 1988 SP - 143 EP - 146 VL - 28 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i1.6227/ DO - 10.14708/cm.v28i1.6227 LA - pl ID - 10_14708_cm_v28i1_6227 ER -