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Publication:3941971
zbMath0483.51013MaRDI QIDQ3941971
Publication date: 1981
Full work available at URL: https://eudml.org/doc/62099
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Euclidean planeisometricLobachevsky planetwo spherelocal version of Helmholtz-Lie-problemuniversal covering space of a metric space
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