@article{01345962,
title = {On the structure and classification of SOMAs: Generalizations of mutually orthogonal Latin squares.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {6},
year = {1999},
zbl = {0922.05010},
language = {en},
url = {http://dml.mathdoc.fr/item/01345962}
}
Soicher, Leonard H. On the structure and classification of SOMAs: Generalizations of mutually orthogonal Latin squares.. The Electronic Journal of Combinatorics [electronic only], Tome 6 (1999) . http://gdmltest.u-ga.fr/item/01345962/