Chobanov, Georgi, and Ivan Chobanov. “Newtonian and Eulerian Dynamical Axioms. III. The Axioms”. Ann. Sofia Univ. Fac. Math. and Inf. 83, no. 2 (December 12, 1992): 65–110. Accessed November 25, 2024. https://annual.uni-sofia.bg/index.php/fmi/article/view/515.