@article{2012classification,
author={, .. and , ..},
title={Classification of solar X-ray flares on X-ray measurements on board geostationary satellites ``Elektro''},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={2012},
pages={1-6},
volume={12},
issue={5},
}