@article{ZNSL_2011_388_a1,
     author = {N. A. Vavilov and A. V. Smolensky and B. Sury},
     title = {Unitriangular factorisations of {Chevalley} groups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {17--47},
     year = {2011},
     volume = {388},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2011_388_a1/}
}