@第{zbMATH05368764条，作者={Gromov，Misha}，标题={线性和非线性群体行动的熵和等周度。}，FJournal={群、几何和动力学}，日志={组Geom.Dyn.}，ISSN={1661-7207}，体积＝｛2｝，数字={4}，页码={499--593}，年份={2008}，语言={英语}，DOI={10.4171/GGD/48}，关键词={20F65,37A35,20F05,20E22,43A07,51F99,52A37,53C23}，URL={www.ems-ph.org/journals/show_pdf.php？issn=1661-7207&vol=2&iss=4&rank=2}，zbMATH={5368764}，Zbl={1280.20043}}