Seifert and Threlfall: A textbook of topology / H. Seifert and W. Threlfall ; translated by Michael A. Goldman. Seifert: Topology of 3-dimensional fibered spaces / H. Seifert ; translated by Wolfgang Heil ; edited by Joan S. Birman and Julian Eisner
H. Seifert
Bok Språk ikke angitt 1980