@article{10_4153_CJM_1985_018_6,
     author = {James, Donald G.},
     title = {Collineations of {Polar} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {296--309},
     year = {1985},
     volume = {37},
     number = {2},
     doi = {10.4153/CJM-1985-018-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1985-018-6/}
}