@article{GDZPPN002033488,
title = {Separatrix conditions yielding either periodic orbits or unusual behavior for flows on M3.},
journal = {Aequationes mathematicae},
volume = {22},
year = {1981},
pages = {175-187},
zbl = {0539.58029},
url = {http://dml.mathdoc.fr/item/GDZPPN002033488}
}
Hartzman, C.S.; Naugler, D.R. Separatrix conditions yielding either periodic orbits or unusual behavior for flows on M3.. Aequationes mathematicae, Tome 22 (1981) pp. 175-187. http://gdmltest.u-ga.fr/item/GDZPPN002033488/