@article{ZNSL_2019_484_a8,
     author = {R. Lubkov and A. Stepanov},
     title = {Subgroups of {Chevalley} groups over rings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {121--137},
     publisher = {mathdoc},
     volume = {484},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_484_a8/}
}