TY - JOUR AU - I. V. Dolgachev TI - The Euler characteristic of a~family of algebraic varieties JO - Sbornik. Mathematics PY - 1972 SP - 303 EP - 319 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1972_18_2_a9/ LA - en ID - SM_1972_18_2_a9 ER -