@article{lemarechal-nemirovskii-nesterov-1995,
  author	= {{Lemar{\'e}chal}, C. and Nemirovskii, A. S. and Nesterov, Yu.E.},
  title		= {New variants of bundle methods},
  journal	= {Mathematical Programming},
  volume	= {69},
  pages		= {111--148},
  year		= {1995},
}