@article{ZNSL_2021_500_a7,
     author = {R. Preusser},
     title = {Elementary covering numbers in odd-dimensional unitary groups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {158--176},
     publisher = {mathdoc},
     volume = {500},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2021_500_a7/}
}