@article{PismaZhETF.40.443, title = {What can be learned about the P-wave AW interaction from a study of the x-ray spectrum of protonium?}, author = {Markushin, V. E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {40}, issue = {10}, pages = {443}, year = {1984}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19080.shtml}, }