Characterizations of Inverse p.n.p. Matrices
Received:October 04, 1987  
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Pang Mingxian Jilin Teacher's College 
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Abstract:
      The author studies the characterizations of inverse p.n.p. matrices, i.e., theirs inverse matrices are p.n.p. matrices.
Citation:
DOI:10.3770/j.issn:1000-341X.1989.04.011
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