TY - JOUR AU - X. Gomez-Mont AU - P. Mardešic TI - Index of a Vector Field Tangent to an Odd-Dimensional Hypersurface and the Signature of the Relative Hessian JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1999 SP - 1 EP - 13 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1999_33_1_a0/ LA - ru ID - FAA_1999_33_1_a0 ER -