@article{SIGMA_2011_7_a85,
     author = {Arno R. Bohm and Manuel Gadella and Piotr Kielanowski},
     title = {Time {Asymmetric} {Quantum} {Mechanics}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a85/}
}