?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Borko&rft.aulast=Krstic&rft.au=+Krstic+Borko&rft.title=Some+aspects+of+financial+instruments'+price+modelling+%3A+%5Babstract%5D&rft.date=1998&rft.genre=proceeding