%0 Journal Article %A V. G. Danilov %A P. N. Zhevandrov %T On Maslov's method for constructing combined asymptotics for $h$-pseudodifferential equations %J Izvestiya. Mathematics %D 1990 %P 425-439 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_2_a10/ %G en %F IM2_1990_34_2_a10