@article{GDZPPN002033402,
title = {Separatrix conditions yielding either periodic orbits or unusual behavior for flows on M3. (Short Communication).},
journal = {Aequationes mathematicae},
volume = {22},
year = {1981},
pages = {125-127},
zbl = {0539.58029},
url = {http://dml.mathdoc.fr/item/GDZPPN002033402}
}
Hartzman, C.S.; Naugler, D.R. Separatrix conditions yielding either periodic orbits or unusual behavior for flows on M3. (Short Communication).. Aequationes mathematicae, Tome 22 (1981) pp. 125-127. http://gdmltest.u-ga.fr/item/GDZPPN002033402/