Kautilya's Arthashastra 8.5.16

8.5.16

dūṣyayuktaduṣṭapārṣṇigrāhayor dūṣyayuktam āptapuruṣādhiṣṭhitam asaṃhataṃ yudhyeta, na duṣṭapārṣṇigrāhaṃ pṛṣṭhābhighātatrastam //

Of armies either filled with traitors, or frightened by an enemy in the rear, that which is full of traitors may be taken to fight apart under the leadership of a trusted commander, but not the army which is afraid of an attack from the rear.