1. Baltag A. and Smets S. The logic of quantum programs. In Selinger {33}. Baltag A. and Smets S. The logic of quantum programs. In Selinger {33}.
2. Baltag A. and Smets S. What can logic learn from quantum mechanics? To appear 2005. Baltag A. and Smets S. What can logic learn from quantum mechanics? To appear 2005.