Perturbation theory with respect to Planck's constant

@article{Shirokov1977PerturbationTW,
  title={Perturbation theory with respect to Planck's constant},
  author={Y. Shirokov},
  journal={Theoretical and Mathematical Physics},
  year={1977},
  volume={31},
  pages={488-492}
}
  • Y. Shirokov
  • Published 1977
  • Mathematics
  • Theoretical and Mathematical Physics
3 Citations