@article{TM_1997_213_a4,
     author = {L. Ortiz-Bobadilla},
     title = {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},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {74--89},
     year = {1997},
     volume = {213},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1997_213_a4/}
}