%0 Journal Article %A I. Kh. Sabitov %T Isometric surfaces with a~common mean curvature and the problem of Bonnet pairs %J Sbornik. Mathematics %D 2012 %P 111-152 %V 203 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2012_203_1_a5/ %G en %F SM_2012_203_1_a5