E-mail:
Website: https://www.math.stonybrook.edu/~leontak

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Presentations in Math-Net.Ru

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Organisations:

• Department of Mathematics, Stony Brook University, USA
• Stony Brook University
• Euler International Mathematical Institute, Saint Petersburg
• Euler International Mathematical Institute, Saint Petersburg
• Saint Petersburg Department of V. A. Steklov Institute of Mathematics, Russian Academy of Sciences
• Leningrad Department of V. A. Steklov Institute of Mathematics, USSR Academy of Sciences