%0 Journal Article %A M. V. Fedoryuk %T Isomonodromic deformations of equations with irregular singularity %J Differencialʹnye uravneniâ %D 1986 %P 961-967 %V 22 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_6_a5/ %G ru %F DE_1986_22_6_a5