@article{05242339, title = {Nonexistence of a geometric progression that contains four triangular numbers.}, journal = {Integers}, volume = {7}, year = {2007}, zbl = {1195.11043}, language = {en}, url = {http://dml.mathdoc.fr/item/05242339} }
Fang, Jin-Hui. Nonexistence of a geometric progression that contains four triangular numbers.. Integers, Tome 7 (2007) . http://gdmltest.u-ga.fr/item/05242339/