[The 70th birthday of Boris Dmitrijevic Petrov].

@article{Matousek1974The7B,
  title={[The 70th birthday of Boris Dmitrijevic Petrov].},
  author={Michael Matousek},
  journal={Casopis lekaru ceskych},
  year={1974},
  volume={113 10},
  pages={320}
}