Svetlichny, George Quantum information and the problem of time. (English) Zbl 1192.81102 J. Geom. Symmetry Phys. 9, 67-74 (2007). MSC: 81P68 Quantum computation 81P15 Quantum measurement theory, state operations, state preparations PDF BibTeX XML Cite \textit{G. Svetlichny}, J. Geom. Symmetry Phys. 9, 67--74 (2007; Zbl 1192.81102)