@article{Campbell2011,
  author    = {Earl T. Campbell},
  title     = {Catalysis and activation of magic states in fault-tolerant architectures},
  journal   = {Physical review : A, Atomic, molecular, and optical physics},
  volume    = {83},
  number    = {3},
  doi       = {10.1103/PhysRevA.83.032317},
  year      = {2011},
}