%0 Journal Article %A L. Ortiz-Bobadilla %T The nonlinear Stokes phenomenon in a~four-parameter family of polynomial differential equations of order higher than two with singularities of saddle-node type at infinity %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1997 %P 74-89 %V 213 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1997_213_a4/ %G ru %F TM_1997_213_a4