Chobanov, G. and Chobanov, I. (1991) “LAGRANGE OR EULER? PARTH THREE: THE FUTURE”, Ann. Sofia Univ. Fac. Math. and Inf, 82(2), pp. 63–109. Available at: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/538 (Accessed: 5 December 2024).