Request for paper

Hi,
It would be very great of you if you could help me to find this article
Thank you very much in advance

Best Regards,

[left]
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V29-41FDG4T-F&_user=10&_coverDate=12%2F15%2F1996&_alid=777353269&_rdoc=1&_fmt=high&_orig=search&_cdi=5697&_sort=d&_docanchor=&view=c&_ct=1&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=8dfcd11bb53f1a1851e3d6f64cfb446e