Bell-Type Inequalities to Detect True<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">n</mml:mi></mml:math>-Body Nonseparability
Daniel Collins, Nicolas Gisin, Sandu Popescu, David A. Roberts, Valerio Scarani (2002). Bell-Type Inequalities to Detect True<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">n</mml:mi></mml:math>-Body Nonseparability. Physical Review Letters, 88(17), DOI: 10.1103/physrevlett.88.170405.