MathSciNet bibliographic data MR309154 58F10 Block, Louis; Franke, John A classification of the structurally stable contracting endomorphisms of \$S\sp{1}\$$S\sp{1}$. Proc. Amer. Math. Soc. 36 (1972), 597–602. Article

For users without a MathSciNet license , Relay Station allows linking from MR numbers in online mathematical literature directly to electronic journals and original articles. Subscribers receive the added value of full MathSciNet reviews.