* {{cite journal |author=Kolyada, S.F. |title=Li-Yorke sensitivity and other concepts of chaos |journal=Ukrainian Math. J. |volume=56 |pages=1242–57 |year=2004 |doi=10.1007/s11253-005-0055-4 |issue=8 |url=https://www.semanticscholar.org/paper/5834c3cdf41d979850c355b93999e785da446562 }} | * {{cite journal |author=Kolyada, S.F. |title=Li-Yorke sensitivity and other concepts of chaos |journal=Ukrainian Math. J. |volume=56 |pages=1242–57 |year=2004 |doi=10.1007/s11253-005-0055-4 |issue=8 |url=https://www.semanticscholar.org/paper/5834c3cdf41d979850c355b93999e785da446562 }} |