@article{PismaZhETF.92.22, title = {Atomic levels in superstrong magnetic fields and $D=2$ QED of massive electrons: screening }, author = {Vysotsky, M. I.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {92}, issue = {1}, pages = {22}, year = {2010}, doi = {}, url = {http://jetpletters.ru/ps/0/article_28889.shtml}, }