The preprints of Institute for Theoretical Physics, ITF-90-87P, 1991, Kiev, p.3-31 The preprints of Institute for Theoretical Physics, ITF-90-87P, 1991, Kiev, p.3-31
published in Kinematics and Physics of Celestial Bodies, 2020, Vol. 36, No. 6, pp. 291-305 (in English), Kinematika i Fizika Nebesnykh Tel, vol. 36, No. 6, pp. 65-87 (in Russian)