@article{1256050813,
author = {Flesner, David E.},
title = {Maximal subgroups of $PSp\_{4}(2^{n})$ containing central elations or noncentered skew elations},
journal = {Illinois J. Math.},
volume = {19},
number = {4},
year = {1975},
pages = { 247-268},
language = {en},
url = {http://dml.mathdoc.fr/item/1256050813}
}
Flesner, David E. Maximal subgroups of $PSp_{4}(2^{n})$ containing central elations or noncentered skew elations. Illinois J. Math., Tome 19 (1975) no. 4, pp. 247-268. http://gdmltest.u-ga.fr/item/1256050813/