Vuilleumier

发表

K. Gabathuler, J. Gimlett, F. Boehm, 1986, Physical review. D, Particles and fields.

Ingram, Landgraf, Baum, 1994, Physical review. D, Particles and fields.

Mitchell, K. Gabathuler, H. Henrikson, 1991, Physical review letters.