%0 Journal Article %A I. A. Taimanov %T A~canonical basis of two-cycles on a~$K3$ surface %J Sbornik. Mathematics %D 2018 %P 1248-1256 %V 209 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2018_209_8_a6/ %G en %F SM_2018_209_8_a6