@inproceedings{Frezzotti:2005Pi, author = "Frezzotti, Roberto and Rossi, Giancarlo", title = "{Four quark operators in maximally twisted Wilson LQCD }", doi = "10.22323/1.020.0342", booktitle = "Proceedings of XXIIIrd International Symposium on Lattice Field Theory {\textemdash} PoS(LAT2005)", year = 2005, volume = "020", pages = "342" }