@misc{indiciaee2fdfe80d8e1,
  title = {[Socialist obligations].},
  author = {D Boldyrev and A Tsaregorodtsev and A Brodovskiĭ and P Kostitsa and V Obornev},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5739799/},
  note = {Source identifier: 5739799}
}