@article{ZNSL_1994_211_a10,
     author = {V. A. Koibaev},
     title = {The subgroups of the group $\mathrm{GL}(2,k)$ that contain a~nonsplit maximal torus},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {136--145},
     publisher = {mathdoc},
     volume = {211},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a10/}
}