TY - BOOK AU - Svartholm,Nils ED - Proceedings of the eighth Nobel Symposium 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 - Stockholm PB - Almqvist & Wiksell, N1 - Nobel Symposium 8 ER -