@article{01985411,
title = {Subspaces of },
journal = {The New York Journal of Mathematics [electronic only]},
volume = {9},
year = {2003},
pages = {137-140},
zbl = {1038.46003},
language = {en},
url = {http://dml.mathdoc.fr/item/01985411}
}
Allis, James T. Subspaces of . The New York Journal of Mathematics [electronic only], Tome 9 (2003) pp. 137-140. http://gdmltest.u-ga.fr/item/01985411/