@article{05700432, title = {Dynamical aspects of an equilateral restricted four-body problem.}, journal = {Mathematical Problems in Engineering}, volume = {2009}, year = {2009}, doi = {10.1155/2009/181360}, zbl = {1184.70008}, language = {en}, url = {http://dml.mathdoc.fr/item/05700432} }
Álvarez-Ramírez, Martha; Vidal, Claudio. Dynamical aspects of an equilateral restricted four-body problem.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/181360. http://gdmltest.u-ga.fr/item/05700432/