@misc{direct+determination+of+periodic+solution+in+the+time+domain+for+electromechanical+converters,
    author = {Sobczyk, Tadeusz J. i Radzik, Michał},
    title = {Direct determination of periodic solution in the time domain for electromechanical converters},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2015},
    number = {Y. 112, iss. 2-E}
}