From his lectures and research, we can see that at the time he was influenced also by Anton Marty and Johannes Daubert, besides obviously and greatly by Husserl.
从他的讲座和研究中可以看出，他当时他也受到安东·马蒂和约翰内斯·道伯特的影响，当然最主要的还是胡塞尔。