For citations:

Golynskaya F.A., Smirnova O.C., Nikonov R.A. The application of multivariate classification method by reference points to determine the degree of spontaneous combustion of coal on the example of the Raspadskaya mine in Kuzbass. Proceedings of higher educational establishments. Geology and Exploration. 2015;(4):15-21. (In Russ.) https://doi.org/10.32454/0016-7762-2015-4-15-21