@article{01716624,
title = {On the extrema of integrable functions.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {547-553},
doi = {10.1155/S0161171201005488},
zbl = {1049.90124},
language = {en},
url = {http://dml.mathdoc.fr/item/01716624}
}
Dorosiewicz, Slawomir. On the extrema of integrable functions.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 547-553. doi : 10.1155/S0161171201005488. http://gdmltest.u-ga.fr/item/01716624/