%0 Journal Article %A Yossef Strauss %A Jonathan Silman %A Shai Machnes %A Lawrence P. Horwitz %T Study of a self-adjoint operator indicating the direction of time within standard quantum mechanics %J Comptes Rendus. Mathématique %D 2011 %P 1117-1122 %V 349 %N 19-20 %I Elsevier %R 10.1016/j.crma.2011.09.007 %G en %F CRMATH_2011__349_19-20_1117_0