%0 Journal Article %A B. V. Martynov %T Contractibility of the diagonal of the product of a~hyperelliptic curve with itself %J Matematičeskie zametki %D 1976 %P 771-774 %V 20 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a17/ %G ru %F MZM_1976_20_5_a17