MITIĆ, Dragan, 		LEBL, Aleksandar, 		TRENKIĆ, Branimir, AND 		MARKOV, Žarko.
"INFLUENCE OF THE CALL FORWARDING BUSY SERVICE ON THE TRAFFIC DISTRIBUTION IN THE GROUP OF TELEPHONE CHANNELS" <em>Yugoslav Journal of Operations Research</em> [Online], Volume 27 Number 1 (11 October 2016)