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1
by Hofer, Helmut, Zehnder, Eduard
Published 1994
Birkhäuser
“... have been established. As it turns out, these seemingly differ­ ent phenomena are mysteriously related...”
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2
by Hofer, Helmut, Zehnder, Eduard
Published 2011
Birkhäuser
“.... As it turns out, these seemingly different phenomena are mysteriously related. One of the links is a class...”