@article{KoutschanZeilberger11,
 author = {Christoph Koutschan and Doron Zeilberger},
 title = {The 1958 {P}ekeris-{A}ccad-{WEIZAC} ground-breaking collaboration that computed ground states of two-electron atoms (and its 2010 redux)},
 journal = {The Mathematical Intelligencer},
 year = {2011},
 volume = {33},
 number = {2},
 pages = {52--57},
 isbn_issn = {ISSN 0343-6993},
 doi = {10.1007/s00283-010-9192-1},
 url = {http://www.koutschan.de/data/pekeris/},
}