@INPROCEEDINGS{vanvaerenbergh2011semisupervised, 
  author={Van Vaerenbergh, S. and Santamaria, I. and Barbano, P.E.}, 
  booktitle={IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011)}, 
  title={Semi-supervised handwritten digit recognition using very few labeled data}, 
  year={2011}, 
  month={may}, 
  volume={}, 
  number={}, 
  pages={2136 -2139}, 
  doi={10.1109/ICASSP.2011.5946749}, 
  ISSN={1520-6149},
}