2017
Том 69
№ 12

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On the frontier operator in Boolean algebras with a closure

Gayda Yu. R., Yeremenko A. E.

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English version (Springer): Ukrainian Mathematical Journal 26 (1974), no. 6, pp 662-664.

Citation Example: Gayda Yu. R., Yeremenko A. E. On the frontier operator in Boolean algebras with a closure // Ukr. Mat. Zh. - 1974. - 26, № 6. - pp. 806–809.

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