@article{TM_1997_213_a9,
     author = {V. V. Stantso},
     title = {Bifurcations of the {\textquotedblleft}saddle lip{\textquotedblright} polycycle},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {213--225},
     year = {1997},
     volume = {213},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1997_213_a9/}
}