@article{PismaZhETF.11.350,
    title = {S-shaped Current-voltage Characteristic and Pinching of Current in Gunn Diodes},
    author = {Gel'mont, B. L. and Shur, M. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {7},
    pages = {350},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26132.shtml},
}