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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive
Izv. Vyssh. Uchebn. Zaved. Mat., 1963 Number 6, Pages 98–108 (Mi ivm2262)
On distinguishing center and focus

I. S. Kuklesa, T. Nurov

a Samarkand

Received: 10.06.1963



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© Steklov Math. Inst. of RAS, 2025