Functional Differential Equations and Approximation of Fixed Points : Dedicated to Heinz Unger on Occasion of his 65. Birthday Proceedings、 Bonn、 July 1978 <Lecture Notes in Mathematics 730>
Ordinary and Partial Differential Equations Proceedings of the Fifth Conference held at Dundee、 Scotland、 March 29-31、 1978 <Lecture Notes in Mathematics 827>
Seminaire de Theorie du Potentiel、 Paris、 No. 6 <Lecture Notes in Mathematics 906>
Journees d’Analyse Non Lineaire Proceedings、 Besancon、 France、 June 1977 <Lecture Notes in Mathematics 665>