JournalscmhVol. 72, No. 3Volume 72, No. 3 (1997) Commentarii Mathematici Helveticipp. 331–348The asymptotic behavior of the set of raysS. J. Mendonçapp. 349–388On the rigidity of discrete isometry groups of negatively curved spacesFrédéric PaulinSa'ar Hersonskypp. 389–399Picard groups of multiplicative invariantsMartin Lorenzpp. 400–410On foliated circle bundles over closed orientable 3-manifoldsShigeaki Miyoshipp. 411–425Sur les feuilletages algébriques de RolleF. Chazalpp. 426–433Differential operators commuting with invariant functionsT. LevasseurJ. Toby Staffordpp. 434–465Gabriel filters in real closed ringsNiels Schwartzpp. 466–480Topology of complete intersectionsF. Fangpp. 481–499Critical values of autonomous Lagrangian systemsG. PaternainMiguel Paternain
pp. 349–388On the rigidity of discrete isometry groups of negatively curved spacesFrédéric PaulinSa'ar Hersonsky
