 In July 1943 , the Montenegrin Partisan leader Đilas contacted both Ostojić and Baćović to establish their willingness to work jointly against the Axis occupiers , given that a new government @-@ in @-@ exile was about to be established without Mihailović . They reported this contact to Mihailović who threatened to exclude them from his Chetnik organisation if they maintained contact with the Partisans . 
