%0 Journal Article %A M. V. Tuvaev %T An infinite-dimensional analogue of the theorem on a removable singular point of a harmonic function %J Differencialʹnye uravneniâ %D 1999 %P 426-427 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_3_a20/ %G ru %F DE_1999_35_3_a20