scientific article; zbMATH DE number 3349754
From MaRDI portal
zbMath0221.01007MaRDI QIDQ5625104
B. Ya. Levin, A. N. Kolmogorov, Vladimir V. Marchenko, Yurij M. Berezansky, Boris Moiseevich Levitan, M. G. Krejn
Publication date: 1971
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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