Institution: | Odense Mathematical Library, Odense University, DK-5230 Odense M, Denmark Department of Mathematics, Copenhagen University, DK-2100 Copenhagen, Denmark Département de mathématiques et de statistique, Université de Montréal, Montréal, Qué, Canada H3C 3J7 Mathematics and Computer Science, Odense University, DK-5230 Odense M, Denmark |