@article{oai:soar-ir.repo.nii.ac.jp:00018378, author = {Hiroshima, Fumio and Sasaki, Itaru}, journal = {RIMS Kôkyûroku Bessatsu}, month = {Dec}, note = {Article, RIMS Kôkyûroku Bessatsu. B21:25-34 (2010)}, pages = {25--34}, title = {On the ionization energy of semi-relativistic Pauli-Fierz model for a single particle (Applications of Renormalization Group Methods in Mathematical Sciences)}, volume = {B21}, year = {2010} }