Van Den Essen, Arno A counter example to a conjecture of Druzkowski and Rusek - Nijmegen: Catholic University, Department of Mathematics, 1994. - 3p. ;21cm. - Report 9440 . Includes bibliographical references Subjects--Topical Terms: AutomorphismsPolynomials Surfaces cubic Prediction (logic) LC Class. No.: MATH QA3.R46 no.9440