Yang Anzhou. Two Mathematical Problems[J]. Journal of Beijing University of Technology, 1993, 19(1): 96-96.
Citation:
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Yang Anzhou. Two Mathematical Problems[J]. Journal of Beijing University of Technology, 1993, 19(1): 96-96.
|
Yang Anzhou. Two Mathematical Problems[J]. Journal of Beijing University of Technology, 1993, 19(1): 96-96.
Citation:
|
Yang Anzhou. Two Mathematical Problems[J]. Journal of Beijing University of Technology, 1993, 19(1): 96-96.
|