@article{AL_1972_11_1_a2,
     author = {G. P. Kykin},
     title = {Subalgebras of the free {Lie} sum of {Lie} algebras with a joint},
     journal = {Algebra i logika},
     pages = {59--86},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1972_11_1_a2/}
}