P. H. Fisher, Tim Penttila. One-point Extensions of Polar Spaces. Eur. J. Comb., 11(6):535-540, 1990. [doi]
@article{FisherP90,
title = {One-point Extensions of Polar Spaces},
author = {P. H. Fisher and Tim Penttila},
year = {1990},
doi = {10.1016/S0195-6698(13)80038-8},
url = {http://dx.doi.org/10.1016/S0195-6698(13)80038-8},
researchr = {https://researchr.org/publication/FisherP90},
cites = {0},
citedby = {0},
journal = {Eur. J. Comb.},
volume = {11},
number = {6},
pages = {535-540},
}