TY - JOUR AU - E. V. Ferapontov TI - Dirac reduction of the hamiltonian operator $\delta^{IJ}\frac{d}{dx}$ to a submanifold of euclidean space with flat normal connection JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1992 SP - 83 EP - 86 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a12/ LA - ru ID - FAA_1992_26_4_a12 ER -