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@article{Kobzarev:1968, author = {I. Yu. Kobzarev and L. B. Okun}, title = {On the photon mass}, publisher = {Physics-Uspekhi}, year = {1968}, journal = {Phys. Usp.}, volume = {11}, number = {3}, pages = {338-341}, url = {https://ufn.ru/en/articles/1968/3/i/}, doi = {10.1070/PU1968v011n03ABEH003838} }
Îðèãèíàë: Êîáçàðåâ È Þ, Îêóíü Ë Á «Î ìàññå ôîòîíà» ÓÔÍ 95 131–137 (1968); DOI: 10.3367/UFNr.0095.196805i.0131