@ARTICLE{Szarek2006,
title = {{O}n the structure of the body of states with positive partial transpose},
url = {http://stacks.iop.org/0305-4470/39/i=5/a=L02},
timestamp = {2013.10.28},
journal = {Journal of Physics A: Mathematical and General},
author = {Stanis\l{}aw J Szarek and Ingemar Bengtsson and Karol \.Zyczkowski},
volume = {39},
year = {2006},
owner = {lacek},
pages = {L119},
number = {5}
}