Audio recording of a lecture delivered by Louis Petrich on April 12, 2019 as part of the Formal Lecture Series. The beginning of the recording includes music. A PowerPoint presentation was given at the beginning of the lecture.
Typescript of a lecture delivered by Louis Petrich on April 12, 2019 as part of the Formal Lecture Series. A PowerPoint presentation was given at the beginning of the lecture and is included at the end of the typescript.