@article{1102977249, author = {Lim, M. J. S.}, title = {${\cal L}-2$ subspaces of Grassmann product spaces.}, journal = {Pacific J. Math.}, volume = {35}, number = {3}, year = {1970}, pages = { 167-182}, language = {en}, url = {http://dml.mathdoc.fr/item/1102977249} }
Lim, M. J. S. ${\cal L}-2$ subspaces of Grassmann product spaces.. Pacific J. Math., Tome 35 (1970) no. 3, pp. 167-182. http://gdmltest.u-ga.fr/item/1102977249/