Generating a new recurrence relations system for elliptic Hansen coefficients by means of computer algebra. - Andrej G. Sokolsky; Akmal A. Vakhidov; Nickolay N. Vasiliev (SIGSAM Bull., 1995)

A New Approach for Analytical Computation of Hamiltonian of a Satellite Perturbed Motion. - Akmal A. Vakhidov; Nickolay N. Vasiliev (J. Symb. Comput., 1997)