Arrangement of the subgroups that contain an unramified quadratic torus in the general linear group of degree 2 over a local number field ($p\ne2$)
A. A. Bongarenko

This publication is cited in the following articles:

1. V. A. Koibaev, “Transvections in the subgroups of the general linear group containing a non-split maximal torus”, St. Petersburg Math. J., 21:5 (2010), 731–742