@article{article34a1affa,
title   = {Integrable theories and loop spaces: fundamentals, applications and new developments},
author = {Alvarez, Orlando and Ferreira, Luiz Agostinho and Sánchez-Guillén, J.},
year = {2009},
doi = {10.1142/S0217751X09043419},
journal   = {International Journal of Modern Physics A}
}