@article{0502b1117a2a456f9c8131f7e668c1f3,
title = "Spontaneous CP breaking in QCD and the axion potential: an effective Lagrangian approach",
keywords = "1/N Expansion, Anomalies in Field and String Theories",
author = "{Di Vecchia}, Paolo and Giancarlo Rossi and Gabriele Veneziano and Shimon Yankielowicz",
year = "2017",
month = dec,
day = "1",
doi = "10.1007/JHEP12(2017)104",
language = "English",
volume = "2017",
journal = "Journal of High Energy Physics",
issn = "1126-6708",
publisher = "Springer",
number = "12",
}