On formulas in closed form for Van Vleck expansions

• 1 July 1972
• journal article
• research article
• Published by Wiley in International Journal of Quantum Chemistry
• Vol. 6  (4) , 681-700
• https://doi.org/10.1002/qua.560060412

Abstract

Keywords

• FUNCTIONS
• FORMULAS
• CLOSED FORM
• MATRIX
• CANONICAL TRANSFORMATIONS
• VLECK
• VAN