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Journal of Natural Science of Heilongjiang University
1001-7011
1988 Issue 1
guan yu k lian tong tu de gou zao wen ti
Heging
..............page:79-80+68
guan yu luo lun zi bian huan
Wang WenCheng
..............page:72-76
jie qi yi wen ti de newton-like fang fa
Jin Chongfang
..............page:9-11+8
ji cheng yun suan fang da qi de yun suan wu cha fen xi
Xu Yongsheng
..............page:64-68
guan yu duo zhong qun de zi jie gou
Zhang Chun-Cheng
..............page:12-15
le bei ge chang shu shang jie de gu zhi
Cui Minggen Deng Zhongxing
..............page:1-5
bian jie gou dong tai xi tong de duo ceng di jie yu bao
Han Zhigang
..............page:16-22