@article{AA_2020_32_6_a3,
     author = {P. B. Gvozdevskiǐ},
     title = {Overgroups of subsystem subgroups in exceptional groups: $2A_1$-proof},
     journal = {Algebra i analiz},
     pages = {72--100},
     publisher = {mathdoc},
     volume = {32},
     number = {6},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_6_a3/}
}