@article{ASENS_1998_4_31_1_1_0,
     author = {Morales, C. A. and Pac{\'\i}fico, M. J.},
     title = {Degenerated singular cycles of inclination-flip type},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {1--16},
     publisher = {Elsevier},
     volume = {Ser. 4, 31},
     number = {1},
     year = {1998},
     doi = {10.1016/s0012-9593(98)80016-5},
     mrnumber = {98m:58102},
     zbl = {0903.34024},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/s0012-9593(98)80016-5/}
}