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ON THE FRIEDLANDER–NADIRASHVILI INVARIANTS OF SURFACES Article Karpukhin M., Medvedev V. Mathematische Annalen. Springer. Vol. 379. 2021. P. 1767-1805
THE UNIQUENESS OF INVERSE PROBLEMS FOR A FRACTIONAL EQUATION WITH A SINGLE MEASUREMENT Article Kian Y., Li Z., Liu Y., Yamamoto M. Mathematische Annalen. Springer. 2020.