Yang An-zhou. A Closed Ball Can Be Decomposed into Two Closed Balls[J]. Journal of Beijing University of Technology, 1980, 6(2): 131-134.
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Citation:
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Yang An-zhou. A Closed Ball Can Be Decomposed into Two Closed Balls[J]. Journal of Beijing University of Technology, 1980, 6(2): 131-134.
|
Yang An-zhou. A Closed Ball Can Be Decomposed into Two Closed Balls[J]. Journal of Beijing University of Technology, 1980, 6(2): 131-134.
|
Citation:
|
Yang An-zhou. A Closed Ball Can Be Decomposed into Two Closed Balls[J]. Journal of Beijing University of Technology, 1980, 6(2): 131-134.
|
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