TY - BOOK AU - Neri,Umberto TI - Singular integrals T2 - Lecture notes in mathematics SN - 0387055029 (New York) PY - 1971/// CY - Berlin, New York PB - Springer-Verlag KW - Sobolev spaces KW - Singular integrals KW - Integral operators N1 - Includes bibliographies ER -