Geodesic
Three-dimensional dynamic systems with noncoarse homoclinical contours
Matematičeskie zametki, Tome 14 (1973) no. 5, pp. 687-696 
N. K. Gavrilov. Three-dimensional dynamic systems with noncoarse homoclinical contours. Matematičeskie zametki, Tome 14 (1973) no. 5, pp. 687-696. http://geodesic.mathdoc.fr/item/MZM_1973_14_5_a8/
@article{MZM_1973_14_5_a8,
     author = {N. K. Gavrilov},
     title = {Three-dimensional dynamic systems with noncoarse homoclinical contours},
     journal = {Matemati\v{c}eskie zametki},
     pages = {687--696},
     year = {1973},
     volume = {14},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1973_14_5_a8/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The paper deals with bifurcations of dynamic systems having noncoarse homoclinical contours. Cases are singled out when the bifurcation surface corresponding to the appearance of a noncoarse homoclinical contour can separate a Morse–Smiley system from a system with a countable set of periodic motions. An example is adduced of the existence of a countable set of stable periodic motions.