TY - JOUR AU - Paweł Głowacki TI - The Rockland condition for nondifferential convolution operators II JO - Studia Mathematica PY - 1991 SP - 99 EP - 114 VL - 98 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-98-2-99-114/ DO - 10.4064/sm-98-2-99-114 LA - en ID - 10_4064_sm_98_2_99_114 ER -