Geodesic
Natural logarithm as a starting point for defining elementary functions
Matematičeskoe obrazovanie, Tome 96 (2020) no. 4, pp. 55-60.

Voir la notice de l'article provenant de la source Math-Net.Ru

A method for accurately defining and deriving the properties of basic elementary functions of calculus is proposed, in which the initial is a special definition of natural logarithm.
Keywords: basic elementary functions, natural logarithm. 
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S. V. Shvedenko. Natural logarithm as a starting point for defining elementary functions. Matematičeskoe obrazovanie, Tome 96 (2020) no. 4, pp. 55-60. http://geodesic.mathdoc.fr/item/MO_2020_96_4_a7/

[1] G. M. Fikhtengolts, Kurs differentsialnogo i integralnogo ischisleniya, v. 1, Nauka, M., 1966

[2] S. V. Shvedenko, “Ob alternativnom opredelenii logarifma”, Matematicheskoe obrazovanie, 2016, no. 4 (80), 52—53