@article{RM_1989_44_1_a24,
     author = {V. N. Tolstoy},
     title = {Extremal projections for contragredient {Lie} algebras and superalgebras of finite growth},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {257--258},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1989_44_1_a24/}
}