Exact Face-isoperimetric Inequalities

@article{Bollobs1990ExactFI,
  title={Exact Face-isoperimetric Inequalities},
  author={B{\'e}la Bollob{\'a}s and Imre Leader},
  journal={Eur. J. Comb.},
  year={1990},
  volume={11},
  pages={335-340}
}