@article{IIGUM_2013_6_1_a9,
     author = {Yu. Yu. Ushakov},
     title = {The 2nd {Euler--Hall} function on groups of lie type of rank~1},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {101--107},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2013_6_1_a9/}
}