| LC control no. | n 79058007 |
|---|---|
| Personal name heading | Ballmann, Werner |
| Found in | 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) |
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