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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive

Izv. Vyssh. Uchebn. Zaved. Mat., 1981 Number 11, Pages 69–71 (Mi ivm5616)

Brief communications

Ð-ã-simple sets, ÔÌ sets and their degrees of unsolvability

N. R. Bukharaev

Kazan'

UDC: 510.5

Received: 19.05.1981



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