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