@article{MZM_1971_9_2_a11,
     author = {V. A. Kreknin},
     title = {The existence of maximal invariant subalgebras in simple {Cartan-type} {Lie} algebras},
     journal = {Matemati\v{c}eskie zametki},
     pages = {211--222},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1971_9_2_a11/}
}