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Journal of Northwest University(Natural Science Edition)
1000-274X
1993 Issue 2
guan yu lehmer dh wen ti ji qi tui guang
zhang wen peng
..............
page:103-108
wo guo xi bei di qu hei fu guo ying p-m za zhong lie yu de yan jiu
meng shi jie
..............
page:127-132
ba zuo miao jin kuang cheng kuang wu li hua xue tiao jian yan jiu
zhang chang nian
..............
page:141-149