@article{GDZPPN00253925X,
title = {Maximal open compact subgroups of the projective symplectic group over a locally compact discrete valuation field},
journal = {Revista colombiana de matematicas},
volume = {5},
year = {1971},
pages = {31-58},
zbl = {0271.20021},
url = {http://dml.mathdoc.fr/item/GDZPPN00253925X}
}
Allan, Nelo D. Maximal open compact subgroups of the projective symplectic group over a locally compact discrete valuation field. Revista colombiana de matematicas, Tome 5 (1971) pp. 31-58. http://gdmltest.u-ga.fr/item/GDZPPN00253925X/