@article{gros_valentí_1994, 
  title={Spin-charge separation at small length scales in the two-dimensionalt-Jmodel}, 
  volume={50}, 
  DOI={10.1103/physrevb.50.11313}, 
  number={16}, 
  publisher={American Physical Society (APS)}, 
  author={Gros and Valentí}, 
  year={1994}, 
  month={Oct}
  }