%0 Journal Article %A A. B. Bogatyrev %T Effective approach to least deviation problems %J Sbornik. Mathematics %D 2002 %P 1749-1769 %V 193 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2002_193_12_a1/ %G en %F SM_2002_193_12_a1