Fryz, Iryna V.
(Prague, Czech Republic: COMMENTATIONES MATHEMATICAE UNIVERSITATIS CAROLINAE, 2018-02-15)
G. B. Belyavskaya and G. L. Mullen showed the existence of a comple ment for a k-tuple of orthogonal n-ary operations, where k < n, to an n-tuple of
orthogonal n-ary operations. But they proposed no method for complementing.
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