@article{01103009,
title = {Computing periods of cusp forms and modular elliptic curves.},
journal = {Experimental Mathematics},
volume = {6},
year = {1997},
pages = {97-107},
doi = {10.1080/10586458.1997.10504599},
zbl = {0894.11027},
language = {en},
url = {http://dml.mathdoc.fr/item/01103009}
}
Cremona, John E. Computing periods of cusp forms and modular elliptic curves.. Experimental Mathematics, Tome 6 (1997) pp. 97-107. doi : 10.1080/10586458.1997.10504599. http://gdmltest.u-ga.fr/item/01103009/