%0 Journal Article %A V. A. Kleptsyn %A M. B. Nalsky %T Stability of Existence of Nonhyperbolic Measures for $C^1$-Diffeomorphisms %J Funkcionalʹnyj analiz i ego priloženiâ %D 2007 %P 30-45 %V 41 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2007_41_4_a2/ %G ru %F FAA_2007_41_4_a2