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ISSN:1072-3374|140|3|461-471

Springer Publishing Company ‎(2007)‎

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By Ustimenko V.A.   in Acta Applicandae Mathematicae

ISSN:0167-8019|74|2|117-153

Springer Publishing Company ‎(2002)‎

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By Hemmeter J.   Ustimenko V.J.   Woldar A.J.   in European Journal of Combinatorics

ISSN:0195-6698|19|4|487-498

Elsevier‎(1998)‎

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