@article{1077491916,
author = {McGavock, William G.},
title = {Annihilators of quadratic forms with applications to
Pfaffian systems},
journal = {Duke Math. J.},
volume = {6},
number = {1},
year = {1940},
pages = { 462-473},
language = {en},
url = {http://dml.mathdoc.fr/item/1077491916}
}
McGavock, William G. Annihilators of quadratic forms with applications to
Pfaffian systems. Duke Math. J., Tome 6 (1940) no. 1, pp. 462-473. http://gdmltest.u-ga.fr/item/1077491916/