TY - JOUR AU - D. A. Gudkov AU - A. D. Krakhnov TI - Periodicity of euler characteristic of real algebraic $(M-1)$-manifolds JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1973 SP - 15 EP - 19 VL - 7 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a2/ LA - ru ID - FAA_1973_7_2_a2 ER -