Proceedings of the Institute of Mathematics of the NAS of Belarus

For citations:

Roudenok A.E., Vasilevich M.N. Isochrones of systems with a small parameter that are independent of it. Proceedings of the Institute of Mathematics of the NAS of Belarus. 2026;34(1s):148-154. (In Russ.) https://doi.org/10.67268/1812-5093-2026-34-1s-148-154. EDN: GVUZFF