Normal view
MARC view
Ballmann, Werner (Personal Name)
His Der Satz von Lusternik und Schirelmann, 1978: t.p. (Werner Ballmann)
Lectures on spaces of nonpositive curvature, 1995: CIP t.p. (Werner Ballmann) t.p. verso (Mathematisches Institut der Univ. Bonn) data sheet (b. 4-11-51)