1.
Do a literature survey to identify the first paper on 3 topics of the following topics
a. Stability of fuzzy logic controllers
b. Fuzzy relations
c. Fuzzy functions
d. Fuzzy graphs
e. Fuzzy algorithms
f.  Fuzzy clustering
Solution
a)Stability of fuzzy logic controllers:
Title: An Experiment-based Comparative Study of Fuzzy Logic Control
Published in:
American Control Conference, 1989
Date of Conference:
21-23 June 1989
Author(s)
Berenji, H.R.
NASA Ames Research Center, Mail Stop: 244-17, Moffett Field, CA 94035; Sterling Software
Yung-Yaw Chen ; Lee, Chuen-Chein ; Murugesan, S. ; Jang, Jyh-Shing
b) Fuzzy relations

2.
Title: On the relevance of fuzzy sets for operations research
author : A. Kaufmann
year: 1986
e) Fuzzy algorithms
Title: An introduction to fuzzy systems
by:
date: 1998