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21 |
The orthogonal transformations of a factorial matrix into itself
Ledermann, Walter. - Leipzig : Dt. Nationalbibliothek, 1938, [Online-Ausg.]
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22 |
On an upper limit the latent roots of a certain class of matrices
Ledermann, Walter. - London : Hodgons, 1937
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23 |
On an upper limit the latent roots of a certain class of matrices
Ledermann, Walter. - Leipzig : Dt. Nationalbibliothek, 1937, [Online-Ausg.]
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24 |
On the rank of the reduced correlational matrix in multiple-factor analysis
Ledermann, Walter. - [S. l.] : [s. n.], 1937
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25 |
On the rank of the reduced correlational matrix in multiple-factor analysis
Ledermann, Walter. - Leipzig : Dt. Nationalbibliothek, 1937, [Online-Ausg.]
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26 |
On singular pencils of Zehfuss, compound, and Schläflian matrices
Ledermann, Walter. - Leipzig : Dt. Nationalbibliothek, 1936, [Online-Ausg.]
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27 |
On singular pencils of Zehfuss, compound, and Schläflian matrices
Ledermann, Walter. - Edinburgh : Robert Grant, 1936
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28 |
Psychometrika / Vol. 1/2. 1936/37. (1936/1937)
(1936)
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29 |
The automorphic transformations of a singular matrix pencil
Ledermann, Walter. - Leipzig : Dt. Nationalbibliothek, 1936, [Online-Ausg.]
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30 |
The automorphic transformations of a singular matrix pencil
Ledermann, Walter. - Oxford : Oxford Univ. Press, 1936
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