@article{MT_2013_16_1_a2,
     author = {V. P. Burichenko},
     title = {On the space $\operatorname{Ext}$ for the group~$SL(2,q)$},
     journal = {Matemati\v{c}eskie trudy},
     pages = {28--55},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2013_16_1_a2/}
}