---
date: 2022-04-03 21:30
modification date: Sunday 3rd April 2022 21:30:51
title: "Pontrayagin class"
aliases: [Pontrayagin class]

---

Last modified date: <%+ tp.file.last_modified_date() %>


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- Tags 
	- #todo/untagged
- Refs:
	- #todo/add-references
- Links:
	- #todo/create-links 

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# Pontrayagin class

![](attachments/Pasted%20image%2020220403213053.png)
![](attachments/Pasted%20image%2020220403213104.png)
![](attachments/Pasted%20image%2020220403213122.png)