..............page:227-242
..............page:243-256
..............page:257-264
..............page:287-296
a note on adjacent strong edge coloring of k(n,m)
jing-wen li~1 zhong-fu zhang~(2; 3) xiang-en chen~3 yi-rong sun~31 college of information and electrical engineering; lanzhou jiaotong university; lanzhou 730070; china2 institute of applied mathematics; lanzhou jiaotong university; lanzhou 730070; china3 college of mathematics and information science; northwest normal university; lanzhou 730070; china
..............page:273-276
..............page:313-324
..............page:333-344
..............page:345-352
the global bifurcation of a cubic system
de-sheng shang~1 mao-an han~2 jin-ping sun~11 school of mathematics and information science; shandong university of technology; zibo 255049; china2 school of mathematical sciences; shanghai normal university; shanghai 200234; china
..............page:325-332
..............page:277-286
..............page:297-312
the analysis of model on population growth with stage-structure in the polluted environment
yong-guang yu~1 suo-chun zhang~2 da-li yang~31 department of mathematics; beijing jiaotong university; beijing 100044; china2 institute of applied mathematics; academy of mathematics and systems science; chinese academy of sciences; beijing 100080; china3 department of computer science and technology; beijing information technology institute; beijing 100085; china
..............page:265-272
..............page:211-218
..............page:219-226
..............page:177-210