@article{Kaufmann_2006,
title={Quantized invariant tori in Andreev billiards of mixed phase space},
volume={73},
ISSN={1550-235X},
url={http://dx.doi.org/10.1103/physrevb.73.214526},
DOI={10.1103/physrevb.73.214526},
number={21},
journal={Physical Review B},
publisher={American Physical Society (APS)},
author={Kaufmann,
Z. and Kormányos,
A. and Cserti,
J. and Lambert,
C. J.},
year={2006},
month=jun }