TY - JOUR AU - B. V. Martynov TI - Contractibility of the diagonal of the product of a~hyperelliptic curve with itself JO - Matematičeskie zametki PY - 1976 SP - 771 EP - 774 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a17/ LA - ru ID - MZM_1976_20_5_a17 ER -