Submitted on: 01 July 2018.
Revised on: 04 August 2018.
Accepted on: 22 August 2018.
Mathematical Communications
Submitted on: 29 December 2002.
Revised on: 08 January 2003.
Accepted on: 01 February 2003.
Mathematical Communications---UNIV OSIJEK, DEPT MATHEMATICS
http://reply.papertrans.cn/3/215/21430/21430-33.png
Submitted on: 06 July 2011.
Revised on: 22 July 2011.
Accepted on: 07 August 2011.
Mathematical Communications
http://reply.papertrans.cn/3/215/21430/21430-35.png
Submitted on: 14 March 2012.
Revised on: 17 April 2012.
Accepted on: 03 May 2012.
Mathematical Communications