![105579](https://sdvigpress.org/images/creator/_default.jpg)
References
Rudolf Wille
1937-2017
Implicational concept graphs![Open Access Link](images/OAlink.png)
2004
in: Conceptual structures at work, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
Formal concept analysis of two-dimensional convex continuum structures![Open Access Link](images/OAlink.png)
2010
in: Formal concept analysis, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
Mathematics presenting, reflecting, judging![Open Access Link](images/OAlink.png)
2010
in: Formal concept analysis, Dordrecht : Springer
![Open Access Link](images/OAlink.png)