@article{SM_2015_206_3_a2,
     author = {V. M. Keselman},
     title = {On a~criterion of conformal parabolicity of {a~Riemannian} manifold},
     journal = {Sbornik. Mathematics},
     pages = {389--420},
     year = {2015},
     volume = {206},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_3_a2/}
}