@inproceedings{Kneipp:2002kE,
  author = "Kneipp, Marco Aurelio Cattacin",
  title = "{BPS Z_k strings, string tension and confinement in non-Abelian theories.   }",
  doi = "10.22323/1.008.0020",
  booktitle = "Proceedings of Workshop on Integrable Theories, Solitons and Duality {\textemdash} PoS(unesp2002)",
  year = 2002,
  volume = "008",
  pages = "020"
}