Related papers: Sharp bounds on the critical stability radius for …

This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

This paper has been withdrawn

This paper has been withdrawn by the author.

This paper has been withdrawn because of serious errors.

This paper is withdrawn by the authors

The paper was withdrawn by the author. Further research is needed.

This paper has been withdrawn due to a missing hypothesis in the main statement.

This paper has been withdrawn by the author and replaced by arXiv:0809.4751

This paper has been withdrawn by the author due to a crucial error in the formulation.

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn by the author, since it is now a part of "Classical aspects of lightlike dimensional reduction" Class.Quant.Grav.23:7085-7110, 2006, gr-qc/0610011

This paper has been temporarily withdrawn for corrections.

This paper has been withdrawn due to a copyright restrictions.

This paper has been withdrawn by the author due to the triviality of the considered coordinate transformations. A consistent treatment, based on the extended physical radial coordinate, is presented in the publications of the author 2000 -…

This paper is withdrawn.

This paper has been withdrawn.

This paper is withdrawn. See quant-ph/9806031 for a discussion.

This paper has been withdrawn

This paper has been withdrawn by the author.