@article{PismaZhETF.43.447, title = {Size effect in nonlinear rf properties of thin superconducting films}, author = {Berezin, V. A. and Govorkov, S. A. and Tulin, V. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {43}, issue = {9}, pages = {447}, year = {1986}, doi = {}, url = {http://jetpletters.ru/ps/0/article_21381.shtml}, }