Affiliation of Author(s):通信学院
Journal:河南师范大学学报（自然科学版）
Document Code:9xja6vch-n99v-s7oo-95wr-46ufgzjx26x4
Volume:43
Issue:1
Page Number:44-48
ISSN No.:1000-2367
Translation or Not:no
Date of Publication:2015-01-01
