کتاب های Birger Iversen
Hyperbolic geometry
Birger Iversen, 1992
Hyperbolic geometry
Birger Iversen, 1993
Hyperbolic Geometry (London Mathematical Society Student Texts)
Birger Iversen, 1993
Ecole D'Ete de Probabilites: Processus Stochastiques
Birger Iversen, 1973
