%0 Journal Article %A E. V. Ferapontov %T Dirac reduction of the hamiltonian operator $\delta^{IJ}\frac{d}{dx}$ to a submanifold of euclidean space with flat normal connection %J Funkcionalʹnyj analiz i ego priloženiâ %D 1992 %P 83-86 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a12/ %G ru %F FAA_1992_26_4_a12