Volume 27, 2021

Volume 27, 2021, Number 1

  • Published in March 2021
  • 220 pages
  • 21 original research papers

Volume 27, 2021, Number 2

  • Published in June 2021
  • 212 pages
  • 21 original research papers, 1 book presentation

Volume 27, 2021, Number 3

  • Published in September 2021
  • 195 pages
  • 19 original research papers, 1 book review

Volume 27, 2021, Number 4

  • Published in December 2021
  • 279 pages
  • 26 original research papers, 1 corrigendum

This volume of the International Journal “Notes on Number Theory and Discrete Mathematics”
is published with the financial support of the Bulgarian National Science Fund, Grant Ref. No.
KP-06-NP2/26/2020.

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