Teplins’kyi, O. Y., & Теплінський, О. Ю. (2010). Examples of $C^1$-smoothly conjugate diffeomorphisms of the circle with break that are not $C^{1+γ}$ -smoothly conjugate. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationTeplins’kyi, O. Yu., and О. Ю Теплінський. Examples of $C^1$-smoothly Conjugate Diffeomorphisms of the Circle with Break That Are Not $C^{1+γ}$ -smoothly Conjugate. Institute of Mathematics, NAS of Ukraine, 2010.
MLA (8th ed.) CitationTeplins’kyi, O. Yu., and О. Ю Теплінський. Examples of $C^1$-smoothly Conjugate Diffeomorphisms of the Circle with Break That Are Not $C^{1+γ}$ -smoothly Conjugate. Institute of Mathematics, NAS of Ukraine, 2010.
Warning: These citations may not always be 100% accurate.