@article{INTG_1969_2_a3,
     author = {M. V. Vasil'eva},
     title = {Higher subgroups of infinite {Lie-Cartan} groups},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {81--93},
     publisher = {mathdoc},
     volume = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1969_2_a3/}
}