@article{CRMATH_2011__349_19-20_1117_0,
     author = {Strauss, Yossef and Silman, Jonathan and Machnes, Shai and Horwitz, Lawrence P.},
     title = {Study of a self-adjoint operator indicating the direction of time within standard quantum mechanics},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1117--1122},
     publisher = {Elsevier},
     volume = {349},
     number = {19-20},
     year = {2011},
     doi = {10.1016/j.crma.2011.09.007},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2011.09.007/}
}