“Communities of the Association Sagino Procumbentis– Bryetum Argentei Diemont et Al. 1940 in Urban Ecosystems of Pyryatyn (Poltava Region) and Kyiv”. CHORNOMORSKI BOTANICAL JOURNAL, vol. 9, no. 4, Dec. 2013, pp. 559-71, https://cbj.kspu.edu/index.php/cbj/article/view/361.