BibTex format
@article{BENDER:1987:10.1103/PhysRevD.35.3081,
author = {BENDER, CM and COOPER, F and MILTON, KA and PINSKY, SS and SIMMONS, LM},
doi = {10.1103/PhysRevD.35.3081},
journal = {PHYSICAL REVIEW D},
pages = {3081--3091},
title = {DISCRETE-TIME QUANTUM-MECHANICS .3. SPIN SYSTEMS},
url = {http://dx.doi.org/10.1103/PhysRevD.35.3081},
volume = {35},
year = {1987}
}