author = {B. Buchberger},
title = {{Operationale Beschreibung von Lernzielen und problemorientierter Unterricht (Operational Description of Teaching Goals and Problem-Oriented Teaching)}},
language = {german},
year = {1979},
month = {September 6-7},
annote = {1979-09-06-A},
note = {Invited talk at Symposium on Didactic Aspects of Mathematics, University of Linz, Austria},
conferencename = {Symposium on Didactic Aspects of Mathematics, University of Linz, Austria}