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Non-uniqueness and radius of cyclic unary NFAs
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On a problem of Znám
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On a problem of Š. Znám
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On the Diophantine equation 1=Σ1/n'i + 1/Πn'i and a class of homologically trivial complex surface singularities
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On the equation and Znám's problem
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On the equation and the number of solutions of Znám's problem
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On the equation , pseudoperfect numbers, and perfectly weighted graphs
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On the integers for which
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On the number of solutions of Znám's problem
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Problem 179
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Systems of congruences
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Znám's Problem
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Znám's problem
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