%0 Journal Article %A A. P. Abramov %A V. V. Dicusar %T Irregular points in a two-sector economic model of foreign debt %J Differencialʹnye uravneniâ %D 1997 %P 1587-1591 %V 33 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_12_a0/ %G ru %F DE_1997_33_12_a0