@misc{a+linear+abstract+initial+value+problem+with+besov+function,
    author = {Obłoza, Witold},
    title = {A linear abstract initial value problem with Besov function},
    journal = {Czasopismo Techniczne. Nauki Podstawowe},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2010},
    number = {R. 107, Z. 1, 1-NP}
}