%0 Journal Article %A A. V. Zaitsev %T Forms of del~Pezzo surfaces of degree~$5$ and~$6$ %J Sbornik. Mathematics %D 2023 %P 816-831 %V 214 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2023_214_6_a2/ %G en %F SM_2023_214_6_a2