@article{JMLR:v20:18-114,
  author  = {G{{\'a}}bor Braun and Sebastian Pokutta and Daniel Zink},
  title   = {Lazifying Conditional Gradient Algorithms},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {71},
  pages   = {1--42},
  url     = {http://jmlr.org/papers/v20/18-114.html}
}