@article{IVM_1981_10_a13,
     author = {Yu. B. Ermolaev},
     title = {On the question of the existence of simple {Lie} algebras with graduation of a~fairly large length},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {66--69},
     publisher = {mathdoc},
     number = {10},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_10_a13/}
}