%0 Journal Article %A M. M. Lekishvili %A A. N. Danelia %T On deformation of certain functional classes in theĀ spaces $C(T^m)$ andĀ $L(T^m)$ %J Sbornik. Mathematics %D 2001 %P 1209-1224 %V 192 %N 8 %U http://geodesic.mathdoc.fr/item/SM_2001_192_8_a5/ %G en %F SM_2001_192_8_a5