@article{PismaZhETF.19.539, title = {The $\pi$ condensate and data on the scattering of electrons by nuclei}, author = {Migdal, A. B.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {19}, issue = {8}, pages = {539}, year = {1974}, doi = {}, url = {http://jetpletters.ru/ps/0/article_27079.shtml}, }