Citation: Iv. Petrovskaya, THE PROBABILITY OF SPECIFIED CHANGES IN-ORBIT INTEGRALS AS A RESULT OF AN APPROACH IN A PLANE GRAVITATING SYSTEM, Astronomy reports, 41(5), 1997, pp. 709-713
Citation: Iv. Petrovskaya, EVOLUTION OF THE COMETARY CLOUD UNDER THE ACTION OF STELLAR PERTURBATIONS, Earth, moon, and planets, 72(1-3), 1996, pp. 31-34
Citation: Ii. Nikiforov et Iv. Petrovskaya, THE DISTANCE OF THE SUN FROM THE GALACTIC -CENTER AND THE ROTATION CURVE FROM KINEMATIC HI AND HII DATA, ASTRONOM ZH, 71(5), 1994, pp. 725-736