Peykre, L.R. 1992. “Automorphism of the Geometry of the Group $B_2(2^n)$ As Apolynomial Mapping ”.
Ukrains’kyi Matematychnyi Zhurnal
44 (11): 1530-34.
https://umj.imath.kiev.ua/index.php/umj/article/view/8256
.