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Journal of Natural Science of Heilongjiang University
1001-7011
1987 Issue 4
er ci dai shu kuo yu de ju zhen biao shi ji qi tui guang
Zhang Chuncheng
..............page:13-17+51
guan yu fang cheng a~x-b~y=22~z
Cao Yushu
..............page:18-22
ji zhi ying she kong jian de lin jin
Lu Zi-cai
..............page:34-37+55
mol gui jie yuan li de pascal yu yan she ji yu shi xian
Ding Zhan’ao
..............page:38-47
dian tai fuzzy mo de zhi he
Sun Fengjiu
..............page:26-29
qiang fei xian xing riemann bian zhi wen ti
Lu De
..............page:7-12+81
zhong yao chang wei ji fu zhu guan li xi tong de she ji
Li Ckunyan Zhang Handong Yuan Laiqing
..............page:60-63+55
ju zhen guang yi dui jiao zhan you de pan ding
Yang Zhong-peng Sun Yu-xiang
..............page:30-33+51
guan yu yun dong wen ding xing li lun de yi dian zhu ji
Li Yansheng
..............page:23-25
ji hua sheng yu wei ji guan li xi tong
Wang Guizhi
..............page:48-51