@article{SM_1977_33_1_a6,
     author = {F. M. Malyshev},
     title = {On closed subsets of roots and cohomology of regular subalgebras},
     journal = {Sbornik. Mathematics},
     pages = {125--135},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_33_1_a6/}
}