1. On abnormals extremals for Lagrange variational problems,;A. A. Agrachev;J. Math. Systems Estim. Control,1998
2. "Numerical Continuation Methods. An Introduction,";E. L Allgower;Springer Series in Computational Mathematics,1990
3. "Mathematical Methods of Classical Mechanics," Second edition,;V. I. Arnol'd;Graduate Texts in Mathematics,1989
4. Optimal low thrust trajectories to the moon,;J. T. Betts;SIAM J. Appl. Dyn. Syst.,2003
5. Adifor 2.0: Automatic Differentiation of Fortran 77 programs,;C. Bischof;IEEE Computational Science and Engineering,1996