@article{GDZPPN002549506,
title = {A Special Class of Doubly Stochastic Matrices},
journal = {Aequationes mathematicae},
volume = {2},
year = {1969},
pages = {319-326},
zbl = {0174.06101},
url = {http://dml.mathdoc.fr/item/GDZPPN002549506}
}
HOFFMAN, A. J. A Special Class of Doubly Stochastic Matrices. Aequationes mathematicae, Tome 2 (1969) pp. 319-326. http://gdmltest.u-ga.fr/item/GDZPPN002549506/