@article{EXMA_2004__13_3_53485,
     author = {Borwein, J. and Crandall, R.},
     title = {On the {Ramanujan} {AGM} fraction. {II:} {The} complex-parameter case.},
     journal = {Experimental mathematics},
     pages = {287--295},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2004},
     zbl = {1122.11044},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2004__13_3_53485/}
}