@article{PismaZhETF.9.494, title = {Critical Current of a Superconducting Film in a Mixed State}, author = {Smidt, V. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {9}, issue = {8}, pages = {494}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25397.shtml}, }