Volume 25, 2019

Volume 25, 2019, Number 1

• Published in March 2019
• 220 pages
• 20 original research papers, 1 corrigendum

Volume 25, 2019, Number 2

• Published in July 2019
• 198 pages
• 20 original research papers

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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-NP-28/2018.