@article {10.3844/ajssp.2014.1.2, article_type = {journal}, title = {Problems of Ultra-High Energy Cosmic Rays}, author = {Anna V. Uryson}, volume = (2}, number = {1}, year = {2014}, month = {Dec.}, pub_date = {2020-04-09}, pages = {1-2}, doi = {10.3844/ajssp.2014.1.2}, url = {https://thescipub.com/abstract/ajssp.2014.1.2}, abstract = {}, journal = {Space Science International}, publisher = {Science Publications} }