@article{PismaZhETF.102.919,
    title = {Staircase structure of Shapiro steps$^{1)}$},
    author = {Shukrinov, Yu. M. and Rahmonov, I. R. and Nashaat, M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {102},
    issue = {12},
    pages = {919},
    year = {2015},
    doi = {10.7868/S0370274X15240042},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15240042},
}