@article{IM2_1977_11_4_a1,
     author = {A. S. Kondrat'ev},
     title = {Finite simple groups with {Sylow} 2-subgroups of order~$2^7$},
     journal = {Izvestiya. Mathematics },
     pages = {709--723},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_4_a1/}
}