@article{ZNSL_2005_321_a12,
     author = {K. Yu. Lavrov},
     title = {Subgroups of the orthogonal groups of even degree over a~local field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {240--250},
     publisher = {mathdoc},
     volume = {321},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2005_321_a12/}
}