%0 Journal Article %A M. V. Fedoryuk %T Isomonodromy deformations of equations with irregular singularities %J Sbornik. Mathematics %D 1992 %P 463-479 %V 71 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1992_71_2_a12/ %G en %F SM_1992_71_2_a12