%0 Journal Article %A A. Yu. Popov %A I. V. Tikhonov %T Exponential solubility classes in a problem for the heat equation with a non-local condition for the time averages %J Sbornik. Mathematics %D 2005 %P 1319-1348 %V 196 %N 9 %U http://geodesic.mathdoc.fr/item/SM_2005_196_9_a3/ %G en %F SM_2005_196_9_a3