@article{publication-19962,
	author={Hens, Thorsten and L{\"o}ffler, Andreas},
	doi={10.1016/0165-1765(94)00647-K},
	issn={0165-1765},
	journal={Economics Letters},
	number=1,
	pages={39-43},
	publisher={Elsevier},
	title={A Note on Gross Substitution in Financial Markets},
	volume=49,
	year=1995,
}