Update applications.rst

Author: Evolutionary-Intelligence

docs/sphinx/source/applications.rst

@@ -12,6 +12,12 @@ in the following papers (note that the below list is **actively updated**):
 
 [**used**] indicates that PyPop7 has been used by the corresponding paper.
 
+* **15**: Fiks, I.S. and Fiks, G.E., 2024.
+  Determining the minimum number of compensating monopole sources required to suppress the integral radiation level.
+  Acoustical Physics, 70(5), pp.914-918.
+
+  * **cited**
+
 * **14**: `Santana, R. <https://scholar.google.com/citations?user=nyI7qw0AAAAJ&hl=en&oi=sra>`_,
   `Inza, I. <https://scholar.google.com/citations?user=ogYjUPAAAAAJ&hl=en&oi=sra>`_,
   Prol-Godoy, I. and Picallo-Perez, A., 2024, November.