Kohei Honda Martin Berger Nobuko Yoshida Descriptive and Relative Completeness of Logics for Higher-Order Functions. 360-371 2006 conf/icalp/2006-2 ICALP (2) http://dx.doi.org/10.1007/11787006_31 db/conf/icalp/icalp2006-2.html#HondaBY06