A complete scheme for computing all direct and cross demand elasticities in a model with many sectors
R Frisch - Econometrica: Journal of the Econometric Society, 1959
http://www.jstor.org/pss/1909441



Differential consumer demand systems
W.J. Keller and J. Van Driel
uropean Economic Review
Volume 27, Issue 3, 1985, Pages 375-390
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V64-4MRG1FM-5&_user=10&_coverDate=12%2F31%2F1985&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1445936113&_rerunOrigin=scholar.google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=167dddd47fee911082af5b067f4e2ec9&searchtype=a