For citations:

Eizarov A.M., Kirillovich A.V., Lipachev E.K., Nevzorova O.A. Digital Ecosystem OntoMath as an Approach to Building the Space of Mathematical Knowledge. Russian Digital Libraries Journal. 2023;26(2):154–202. (In Russ.) https://doi.org/10.26907/1562-5419-2023-26-2-154–202