For citations:
Dolinsky M.S. Solving recursive problems by definition. Informatics in school. 2020;(2):60-66. (In Russ.) https://doi.org/10.32517/2221-1993-2020-19-2-60-66
Dolinsky M.S. Solving recursive problems by definition. Informatics in school. 2020;(2):60-66. (In Russ.) https://doi.org/10.32517/2221-1993-2020-19-2-60-66