@misc{indiciaeae6a993b32d0,
  title = {[Instructional work according to the new programs].},
  author = {N V Beliaev and S V Sergeev},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1037339/},
  note = {Source identifier: 1037339}
}