C. Canonne. (2020)cite arxiv:2002.11457Comment: This is a review article; its intent is not to provide new results, but instead to gather known (and useful) ones, along with their proofs, in a single convenient location.
A. Gorban, и I. Tyukin. (2018)cite arxiv:1801.03421Comment: Accepted for publication in Philosophical Transactions of the Royal Society A, 2018. Comprises of 17 pages and 4 figures.