| 1995 |
| Spiros Cotsakis, Georgios Flessas, Past-Instability Conjecture and Cosmological Attractors in Generalized Isotropic Universes, Phys. Rev., Vol = D51, pp. = 0, , 4160-4168, 1995, |
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| Spiros Cotsakis, Georgios Flessas, Graviton Creation and Conformal Non Invariance in Higher Order Gravity Theories, Phys. Rev., Vol = D52, pp. = 0, , 5783-5786, 1995, |
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| Spiros Cotsakis, Georgios Flessas, P. Leach, On Noether’s formulation of her theorem, Can. J. Physics, Vol = 74, 543, 1995 |
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| Georgios Flessas, Characterization ALG, Characterization ALG, Vol = , pp. = 0, , , 1995, |
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| 1994 |
| Spiros Cotsakis, Georgios Flessas, P. Leach, Comment on a Paper Concerning Symmetries of Equations of Motion and Equivalent Lagrangians, Can. J. Phys., Vol = 72, 86-88, 1994 |
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| Spiros Cotsakis, Georgios Flessas, P. Leach, Minimally Coupled Scalar Field Wormholes, Phys. Rev., Vol = D49, pp. = 0, , 6489-6492, 1994, |
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| Georgios Flessas, B GREEK MATH SOC , B GREEK MATH SOC , Vol = 36, 63-79, 1994 |
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| Georgios Flessas, Canadian Journal of Physics, CAN J PHYS, Vol = 72, 86-88, 1994 |
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| Georgios Flessas, REMARKS SYMMETRY LIE, REMARKS SYMMETRY LIE, Vol = , pp. = 0, , , 1994, |
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| 1993 |
| Spiros Cotsakis, Georgios Flessas, Stability of FRW Cosmology in Higher Order Gravity, Phys. Rev., Vol = D48, pp. = 0, , 3577-3584, 1993, |
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Greek