TY - RPRT TI - Eavesdropping on quantum-cryptographical systems. AU - AK Ekert AU - B Huttner AU - GM Palma AU - A Peres PY - 1994 DO - 10.1103/physreva.50.1047 UR - https://pubmed.ncbi.nlm.nih.gov/9910991/ ID - 9910991 ER -