@article{in2p3-00023991,
author = {Gieres, F.},
title = {On non-Hermitian operators with a real spectrum, PT-symmetry and all that},
journal = {HAL},
volume = {2004},
number = {0},
year = {2004},
language = {en},
url = {http://dml.mathdoc.fr/item/in2p3-00023991}
}
Gieres, F. On non-Hermitian operators with a real spectrum, PT-symmetry and all that. HAL, Tome 2004 (2004) no. 0, . http://gdmltest.u-ga.fr/item/in2p3-00023991/