TY - BOOK AU - Svartholm,Nils TI - Elementary Particle Theory. Relativistic Groups and Analyticity. Proceedings of the Eighth Nobel Symposium, held May 19-25, 1968, at Aspenasgarden, Lerum, in the county of Alvsborg, Sweden PY - 1968/// CY - New York/Stockholm PB - Wiley Interscience/Almqvist & Wiksell ER -