Media type: E-Article Title: Directional operators and mixed norms Contributor: Duoandikoetxea, J. Published: Universitat Autonoma de Barcelona, 2002 Published in: Publicacions Matemàtiques, EXTRA (2002), Seite 39-56 Language: English DOI: 10.5565/publmat_esco02_03 ISSN: 0214-1493 Keywords: General Mathematics Origination: Footnote: Access State: Open Access