David Chaum. Designated Confirmer Signatures. In EUROCRYPT. pages 86-91, 1994. [doi]
@inproceedings{Chaum94,
title = {Designated Confirmer Signatures},
author = {David Chaum},
year = {1994},
url = {http://link.springer.de/link/service/series/0558/bibs/0950/09500086.htm},
researchr = {https://researchr.org/publication/Chaum94},
cites = {0},
citedby = {0},
pages = {86-91},
booktitle = {EUROCRYPT},
}