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