@misc{_The,
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Śląskiego},
 language={eng},
 title={The Ninth Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities, Bedlewo (Poland), February 4–7, 2009},
 type={artykuł},
 keywords={matematyka},
}