For citations:

Kutygin R.V. Main stratigraphic and paleogeographic features of Lower Dulgalakhian regional substage of Permian system of Yakutia. Arctic and Subarctic Natural Resources. 2018;23(3):5-33. (In Russ.) https://doi.org/10.31242/2618-9712-2018-25-3-5-21