@article {MR1612728,
	title = {Homoclinics and complex dynamics in slowly oscillating systems},
	journal = {Discrete Contin. Dynam. Systems},
	volume = {4},
	number = {3},
	year = {1998},
	pages = {393{\textendash}403},
	issn = {1078-0947,1553-5231},
	doi = {10.3934/dcds.1998.4.393},
	url = {https://doi.org/10.3934/dcds.1998.4.393},
	author = {Ambrosetti, Antonio and Massimiliano Berti}
}
