1. Avdyushev, V.A., A New Method for the Statistical Simulation of the Virtual Values of Parameters in Inverse Orbital Dynamics Problems, Solar Syst. Res., 2009, vol. 43, no. 6, p. 543.
2. Avdyushev, V.A., Chislennoe modelirovanie orbit (Orbits Numerical Simulation), Tomsk: Izd. NTL, 2010.
3. Avdyushev, V.A., Nonlinear Methods of Statistic Simulation of Virtual Parameter Values for Investigating Uncertainties in Orbits Determined from Observations, Celest. Mech. Dyn. Astr., 2011, vol. 110, no. 4, pp. 369–388.
4. Bard, Y., Nonlinear Parameter Estimation, New York: Acad. Press., 1974; Moscow: Statistika, 1979.
5. Bates, D.M. and Watts, D.G., Relative Curvature Measures of Nonlinearity, J. Roy. Stat. Soc., 1980., vol. 42, no. 1, pp. 1–25.