%0 Journal Article %A D. Frolenkov %T Asymptotic behaviour of the first moment of the number of steps in the by-excess and by-deficiency Euclidean algorithms %J Sbornik. Mathematics %D 2012 %P 288-305 %V 203 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2012_203_2_a6/ %G en %F SM_2012_203_2_a6