@article{EXMA_1997__6_2_228943,
     author = {Cremona, John E.},
     title = {Computing periods of cusp forms and modular elliptic curves.},
     journal = {Experimental mathematics},
     pages = {97--107},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {1997},
     zbl = {0894.11027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_1997__6_2_228943/}
}