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Found 9 Documents (Results 1–3)

Russ. Math. 63, No. 5, 75-81 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 5, 83-91 (2019).
MSC:  74B20 74D10 74E30
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Russ. Math. 63, No. 5, 63-74 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 5, 70-82 (2019).
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