@article{lyalko_elistratova_apostolov_2016, 
  title={Changes of parameters of the heating period on the territory of Ukraine as a result of global warming}, 
  DOI={10.15407/dopovidi2016.11.061}, 
  number={11}, 
  publisher={Co. Ltd. Ukrinformnauka}, 
  author={Lyalko and Elistratova and Apostolov}, 
  year={2016}, 
  month={Dec}
  }