@inproceedings{MEKHFI:2010oQ, author = "MEKHFI, Mustapha", title = "{The Fermion Amplitude Probability as a Trace over Spinor Indices}", doi = "10.22323/1.084.0402", booktitle = "Proceedings of European Physical Society Europhysics Conference on High Energy Physics {\textemdash} PoS(EPS-HEP 2009)", year = 2010, volume = "084", pages = "402" }