Analysis of information sources in references of the Wikipedia article "%D0%A0%D0%B5%D0%B0%D0%BA%D1%86%D1%96%D1%97 %D0%BD%D1%83%D0%BA%D0%BB%D0%B5%D0%BE%D1%84%D1%96%D0%BB%D1%8C%D0%BD%D0%BE%D0%B3%D0%BE %D0%B7%D0%B0%D0%BC%D1%96%D1%89%D0%B5%D0%BD%D0%BD%D1%8F" in Ukrainian language version.
