@article{PismaZhETF.10.143, title = {Longitudinal Distances in Gamma Quantum Scattering and Asymptotic Electroproduction Cross Sections}, author = {Ioffe, B. L.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {10}, issue = {3}, pages = {143}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25703.shtml}, }