@article{Almqvist:1988:GLR,
author = {Almkvist, Gert and Berndt, Bruce},
title = {Gauss, {L}anden, {R}amanujan, the arithmetic-geometric mean,
ellipses, {$\pi$}, and the {\it {L}adies Diary}},
journal = {Amer. Math. Monthly},
fjournal = {The American Mathematical Monthly},
volume = {95},
year = {1988},
number = {7},
pages = {585–608},
issn = {0002-9890},
coden = {AMMYAE},
mrclass = {01A50 (01A55 01A60 33A25)},
mrnumber = {MR0966232 (89j:01028)},
mrreviewer = {R. A. Askey},
links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9890%28198808%2F09%2995%3A7%3C585%3AGLRTAM%3E2.0.CO%3B2-B}},
doi = {10.2307/2323302},
zblno = {0665.26007}}