%0 Journal Article %A A. B. Krygin %T Continuation of diffeomorphisms retaining volume %J Funkcionalʹnyj analiz i ego priloženiâ %D 1971 %P 72-76 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a6/ %G ru %F FAA_1971_5_2_a6