Submitted on: 14 June 2004.
Revised on: 14 August 2004.
Accepted on: 25 August 2004.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
Submitted on: 26 January 2022.
Revised on: 10 May 2022.
Accepted on: 25 June 2022.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
Submitted on: 04 October 2013.
Revised on: 30 December 2013.
Accepted on: 14 January 2014.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
Submitted on: 16 June 2011.
Revised on: 06 July 2011.
Accepted on: 03 September 2011.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
http://reply.papertrans.cn/2/110/10925/10925-15.png
Submitted on: 03 August 2011.
Revised on: 25 November 2011.
Accepted on: 17 January 2012.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
http://reply.papertrans.cn/2/110/10925/10925-17.png
Submitted on: 17 December 2012.
Revised on: 08 March 2013.
Accepted on: 23 March 2013.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
Submitted on: 26 April 2011.
Revised on: 16 August 2011.
Accepted on: 08 October 2011.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER
Submitted on: 31 October 2015.
Revised on: 29 December 2015.
Accepted on: 21 January 2016.
___________________Gravitation & Cosmology---MAIK NAUKA/INTERPERIODICA/SPRINGER