COVARIANT AND CONTRAVARIANT SYMBOLS OF OPERATORS

• 18 October 1972
• journal article
• Published by Steklov Mathematical Institute in Mathematics of the USSR-Izvestiya
• Vol. 6  (5) , 1117-1151
• https://doi.org/10.1070/im1972v006n05abeh001913

Abstract

Keywords

• COVARIANT AND CONTRAVARIANT SYMBOLS
• CONTRAVARIANT SYMBOLS OF OPERATORS