MITROPOLSKY , Yu. O.; PRIKARPATSKY , A. K.; Fil В. M. Some aspects of the gradient-holomic algorithm in the theory of integration of nonlinear dynamic systems and the problems of computer algebra. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 1, p. 78–91, 1991. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9309. Acesso em: 6 dec. 2025.