@article{GDZPPN002428318, title = {On Baer Subspaces of Finite Projective Spaces.}, journal = {Mathematische Zeitschrift}, volume = {183}, year = {1983}, pages = {301-320}, zbl = {0506.51008}, url = {http://dml.mathdoc.fr/item/GDZPPN002428318} }
Beutelspacher, Albrecht. On Baer Subspaces of Finite Projective Spaces.. Mathematische Zeitschrift, Tome 183 (1983) pp. 301-320. http://gdmltest.u-ga.fr/item/GDZPPN002428318/