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- [2] THEORY OF MOTION OF HEAVENLY BODIES MOVING ABOUT SUN IN CONIC SECTIONS ZEITSCHRIFT FUR FLUGWISSENSCHAFTEN, 1965, 13 (01): : 39 - &
- [3] The theory of conic sections JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1913, 142 (1/4): : 271 - 277
- [4] PROBLEM OF 4 FIXED CENTERS AND ITS APPLICATION TO THEORY OF HEAVENLY BODIES MOTION ASTRONOMICHESKII ZHURNAL, 1974, 51 (01): : 191 - 198
- [8] About motion of medium with constant density in cylindrical and conic channels Ogneupory i Tekhnicheskaya Keramika, 2001, (12): : 26 - 29