@article{oai:ir.kagoshima-u.ac.jp:00000246, author = {KUROKAWA, Takahide}, journal = {鹿児島大学理学部紀要, Reports of the Faculty of Science, Kagoshima University}, month = {Dec}, note = {It is well known that the L^p-spaces are invariant for singular integrals. In this paper we establish invariance of certain classes which consist of smooth functions.}, pages = {29--36}, title = {Smooth invariant classes for singular integrals : Dedocated to Professor Shoji Tsuboi on the occasion of his 60th birthday}, volume = {36}, year = {2003} }