Studies of Regular Precessions of a Symmetric Satellite by Means of Computer Algebra. - Ivan I. Shevchenko; Andrej G. Sokolsky (ISSAC, 1993)

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)