论文标题
关于威廉·冯·沃尔登费尔斯（Wilhelm von Waldenfels）和通用二阶结构的一些想法
Some thoughts on Wilhelm von Waldenfels and on universal second order constructions
论文作者
论文摘要
本文包含一些关于Wilhelm von Waldenfels和通用二阶结构的想法。这是我对IDAQP特别纪念问题的贡献，以纪念Robin Lyth Hudson教授和Wilhelm von Waldenfels教授。
This article contains some thoughts on Wilhelm von Waldenfels and on universal second order constructions. It is my contribution to the Special Commemorative Issue of IDAQP in Honour of Professor Robin Lyth Hudson and Professor Wilhelm von Waldenfels.
