@misc{indiciaeb621dca5c7af,
  title = {[Human logical problem solution in postnatal ontogeny].},
  author = {L V Krushinskiĭ and N P Popova},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/657960/},
  note = {Source identifier: 657960}
}