@article{2289,
author = {Stolt, B.},
title = {A theorem on triangular numbers},
journal = {Portugaliae mathematica},
volume = {16},
year = {1957},
pages = {3-5},
zbl = {0081.27201},
mrnumber = {0099955},
language = {en},
url = {http://dml.mathdoc.fr/item/2289}
}
Stolt, B. A theorem on triangular numbers. Portugaliae mathematica, Tome 16 (1957) pp. 3-5. http://gdmltest.u-ga.fr/item/2289/