Dear all I have required following fulltext article. Algebraic Aspects of Parikh Matrices Book Series Lecture Notes in Computer Sciencehttp://www.springerlink.com/content/105633/?p=2459ef9458214a5fa6f40a9d6d07696e&pi=0 Publisher Springer Berlin / Heidelberg ISSN 0302-9743 (Print) 1611-3349 (Online) Volume Volume 3113/2004 Book Theory Is Foreverhttp://www.springerlink.com/content/hn26kl36363b/?p=2459ef9458214a5fa6f40a9d6d07696e&pi=0 DOI 10.1007/b98751 Copyright 2004 ISBN 978-3-540-22393-1 Pages 170-180 Subject Collection Computer Science http://www.springerlink.com/computer-science/ SpringerLink Date Regards Friday, October 29, 2004 Shailesh Kumar Lohiya Librarian Amrapali Institute, Siksha Nagar, Haldwani 263139 Ph. 05946-238201,238202 Mob. 9897400551 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.