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DEUTSCHE DEMOKRATISCHE REPUBLIK 1979 5 MARK, Wappen der DDR: Hammer und Zirkel...
DEUTSCHE DEMOKRATISCHE REPUBLIK 5 MARK, Wappen der DDR zentral abgebildet untenstehend...
Depiction of a half-length portrait of the world-famous mathematician. WOLF-DÍJ...
On the reverse, a depiction of Péter Lax is featured as he is writing on an imaginary...
Depiction of an an elderly portrait of the mathematician; on the right, πn(0(∞))≅πn+8(0(∞))....
