@article{8347, year={1990}, issn={1972-4918}, journal={STUDI ECONOMICI }, number={42}, volume={XLV}, doi={}, title={Spanning by frequent trading of long-lived securities}, abstract={} url={http://www.francoangeli.it/Riviste/Scheda_rivista.aspx?idArticolo=8347}, author={Marco Celentani} pages={}, language={IT}}