@article{IM2_1970_4_3_a3,
     author = {V. L. Popov},
     title = {Stability criteria for the action of a semisimple group on a~factorial manifold},
     journal = {Izvestiya. Mathematics },
     pages = {527--535},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_3_a3/}
}