TY - JOUR AU - V. I. Arnol'd TI - Distribution of ovals of the real plane of algebraic curves, of involutions of four-dimensional smooth manifolds, and the arithmetic of integer-valued quadratic forms JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1971 SP - 1 EP - 9 VL - 5 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1971_5_3_a0/ LA - ru ID - FAA_1971_5_3_a0 ER -