@article{PismaZhETF.10.192, title = {Mixed Surface State of a Superconductor of the First Kind}, author = {Landau, I. L. and Sharvin, Yu. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {10}, issue = {4}, pages = {192}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25716.shtml}, }