%0 Journal Article %A A. A. Borisenko %T On the extrinsic geometric properties of parabolic surfaces and topological properties of saddle surfaces in symmetric spaces of rank one %J Sbornik. Mathematics %D 1983 %P 401-415 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_44_3_a9/ %G en %F SM_1983_44_3_a9