02.1.2. A Particular Symmetric Idempotent Matrix—Solution
Econometric theory, 2003-02, Vol.19 (1), p.227-228
[Peer Reviewed Journal]
2003 Cambridge University Press ;Copyright Cambridge University Press Feb 2003 ;ISSN: 0266-4666 ;EISSN: 1469-4360 ;DOI: 10.1017/S0266466603241086
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