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Found 9 Documents (Results 1–3)

Russ. Math. 51, No. 1, 71-76 (2007); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2007, No. 1, 76-81 (2007).
MSC:  34A09 34A12 34A30
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Russ. Math. 51, No. 1, 58-70 (2007); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2007, No. 1, 63-75 (2007).
MSC:  35J70 35A08
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