P. Schmutz (1993)

Geometric and functional analysis

Jürgen Jost, Lutz Habermann (1996)

Manuscripta mathematica

Peter Buser (1977)

Commentarii mathematici Helvetici

Peter Buser (1978)

Commentarii mathematici Helvetici

Étienne Ghys (1993)

Publications Mathématiques de l'IHÉS

McMullen, Curtis T. (1998)

Documenta Mathematica

Zheng-Xu He, Oded Schramm (1994)

Inventiones mathematicae

Walter D. Neumann, Alan W. Reid (1993)

Mathematische Annalen

He, Zheng-Xu (1999)

Annals of Mathematics. Second Series

Atsushi Tachikawa (1985)

Manuscripta mathematica

Rauno Aulaskari (1983)

Mathematica Scandinavica

Leo Sario, John Chang (1971)

Mathematica Scandinavica