?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Foschi&rft.au=Foschi%2C+Rachele&rft.aufirst=Rachele&rft.atitle=Semigroups+of+Semi-copulas+and+Evolution+of+Dependence+at+Increase+of+Age&rft.date=2008&rft.pages=95-111&rft.issue=1&rft.issn=1134-5632&rft.volume=15&rft.title=Mathware+%26+Soft+Computing&rft.genre=article