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International Journal of Geometric Methods in Modern Physics (IJGMMP), v. 5, iss. 5, August 2008, 23 p.
Bogdan G. Dimitrov (BLThP, JINR, Dubna). Cubic algebraic equations in gravity theory, parametrization with the Weierstrass function and nonarithmetic theory of algebraic equations // Journal of Mathematical Physics, v. 44, iss. 6 (2003) 2542–2578.
Sawa Manoff (INRNE, BAS, Sofia, Bulgaria), and Bogdan G. Dimitrov BLThP, JINR, Dubna). On the Existence of a Gyroscope in Spaces with Affine Connections and Metrics. v. 35, iss. 1 (2003) 25–33.
Sawa S. Manoff (INRNE, BAS, Sofia, Bulgaria), Bogdan G. Dimitrov (BLThP, JINR, Russia). Flows and particles with shear-free and expansion-free velocities in (bar-Lng)- and Weyl spaces // Classical and Quantum Gravity, v. 19 (2002) 4377–4397.