@article{Milne:1996:NIF,
author = {Milne, Stephen C.},
title = {New infinite families of exact sums of squares formulas,
{J}acobi elliptic functions, and {R}amanujan's tau function},
journal = {Proc. Nat. Acad. Sci. U.S.A.},
fjournal = {Proceedings of the National Academy of Sciences of the United
States of America},
volume = {93},
year = {1996},
number = {26},
pages = {15004–15008},
issn = {0027-8424},
coden = {PNASA6},
mrclass = {11P82 (11F11 33E05)},
mrnumber = {MR1629061 (99k:11162)},
mrreviewer = {Ken Ono},
zblno = {1125.11346}}