%0 Journal Article %A Г.Я. Поплавская %T On the equivalence of various definitions of area of a continuous surface %J Matematičeskij sbornik %D 1952 %P 651-668 %V 72 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS_1952__72_3_a9/ %G de %F MS_1952__72_3_a9