@article{1028999030,
author = {Shapiro, H. S.},
title = {Incomplete orthogonal families and a related question on orthogonal matrices.},
journal = {Michigan Math. J.},
volume = {11},
number = {1},
year = {1964},
pages = { 15-18},
language = {en},
url = {http://dml.mathdoc.fr/item/1028999030}
}
Shapiro, H. S. Incomplete orthogonal families and a related question on orthogonal matrices.. Michigan Math. J., Tome 11 (1964) no. 1, pp. 15-18. http://gdmltest.u-ga.fr/item/1028999030/