scientific article; zbMATH DE number 3327688

zbMath0206.13602MaRDI QIDQ5606163

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Publication date: 1970

Full work available at URL: http://www.numdam.org/item?id=AIHPA_1970__12_3_215_0

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

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