Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Wenyu Chen, XiaoBin Wang, Xiaoou Cheng, Shixin Sun. Analysis of Valid Closure Property of Formal Language. JCP, 5(2):322-329, 2010. [doi]
Abstract is missing.