Update default.html

Author: sichkar-valentyn

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@@ -50,6 +50,9 @@ <h3 id="reference-to">Reference to:</h3>
 
 <h3 id="related-works">Related works:</h3>
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+    <p>Sichkar V.N. Comparison analysis of knowledge based systems for navigation of mobile robot and collision avoidance with obstacles in unknown environment. St. Petersburg State Polytechnical University Journal. Computer Science. Telecommunications and Control Systems, 2018, Vol. 11, No. 2, Pp. 64–73. DOI: <a href="https://doi.org/10.18721/JCSTCS.11206" target="_blank">10.18721/JCSTCS.11206</a></p>
+  </li>
   <li>
     <p>The research results for Neural Network Knowledge Based system for the tasks of collision avoidance is put in separate repository and is available here: <a href="https://github.com/sichkar-valentyn/Matlab_implementation_of_Neural_Networks">Matlab implementation of Neural Networks</a></p>
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