ISSN - 03759601, Physics Letters, Section A: General, Atomic and Solid State Physics, 1982, vol. 90, 9, p. 447-450
The O(2.1) algebra and the electron green function in a Coulomb field
An integral representation for the Green function of a charged particle moving in a Coulomb field is obtained, with the help of the O(2.1) algebra, in a form convenient for applications. © 1982.