A. Bohm
Dynamical Groups and Spectrum Generating Algebra
Dynamical Groups and Spectrum Generating Algebra
Morphologische Studien Im Bereiche Der Pyrrhophyta. Das Problem Form Und Selektion (Bibliotheca Phycologica)
Quantum Mechanics
The Geometric Phase in Quantum Systems
Beta Decay of Hyperons
Dynamical Groups and Spectrum Generating Algebras