Published in: North Holland mathematics studies ; 155 - Notas de matemática ; 124

Published in: Pure and applied mathematics ; 25200

Published in: Lecture notes in mathematics ; 173

Published in: Graduate studies in mathematics ; 73

Published in: Universitext

Published in: Mathematische Monographien ; 10

Published in: ILEIA readings in sustainable agriculture

Published in: FAO: FAO conservation guide ; 2000

Published in: Progress of theoretical physics ; 93

Published in: Studies in advanced mathematics ; 45

Published in: Suomalainen Tiedeakatemia: Suomalaisen Tiedeakatemian toimituksia ; 49

Published in: Straßenforschung ; 590

Published in: De Gruyter expositions in mathematics ; 45

Published in: Acta applicandae mathematicae

Published in: Acta applicandae mathematicae