@article{SM_2014_205_3_a2,
     author = {A. S. Dzhumadil'daev and Sh. Sh. Ibraev},
     title = {On the third cohomology of algebraic groups of rank two in positive characteristic},
     journal = {Sbornik. Mathematics},
     pages = {343--386},
     publisher = {mathdoc},
     volume = {205},
     number = {3},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2014_205_3_a2/}
}