@article{PismaZhETF.14.85,
    title = {Pulsed Narrowing of p-n Junctions in Two-photon Excitation},
    author = {Kovarskii, V. A. and Ferdman, N. A. and Simashkevich, A. V. and Gashin, P. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {14},
    issue = {2},
    pages = {85},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24555.shtml},
}