@article{01230061,
title = {A note on the Boardman theorem.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {21},
year = {1998},
pages = {819-822},
doi = {10.1155/S0161171298001136},
zbl = {0914.57020},
language = {en},
url = {http://dml.mathdoc.fr/item/01230061}
}
Lü, Zhi; Zhou, Chunlian. A note on the Boardman theorem.. International Journal of Mathematics and Mathematical Sciences, Tome 21 (1998) pp. 819-822. doi : 10.1155/S0161171298001136. http://gdmltest.u-ga.fr/item/01230061/