@misc{digital+filters+hermitian+antihermitian+unitary+and+their+applications,
    author = {Siwczyński, Maciej i Jaraczewski, Marcin},
    title = {Digital filters: hermitian, antihermitian, unitary and their applications},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 1}
}