@article{DAN_1993_328_5_a1,
     author = {N. A. Vavilov},
     title = {Unipotent elements in subgroups of extended {Chevalley} groups that},
     journal = {Doklady Akademii Nauk},
     pages = {536--539},
     publisher = {mathdoc},
     volume = {328},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_328_5_a1/}
}