L. I. Konstantinova, V. A. Kochegurov, B. M. Shumilov, “Parametric Identification of Nonlinear Differential Equations by the Method of Spline Diagrams Taking Exact Values on Polynomials”, Avtomat. i Telemekh., 1997, no. 5, 53–63; Autom. Remote Control, 58:5 (1997), 756–764
