Vitaly Surazhsky, Joseph Gil. Type-safe covariance in C++. In Hisham Haddad, Andrea Omicini, Roger L. Wainwright, Lorie M. Liebrock, editors, Proceedings of the 2004 ACM Symposium on Applied Computing (SAC), Nicosia, Cyprus, March 14-17, 2004. pages 1496-1502, ACM, 2004. [doi]
Abstract is missing.