However his troops were enough to prevent a Serbian invasion and he led the Bulgarian delegation which negotiated with the Serbian King Stefan Decanski . His troops were , however , enough to prevent a Serbian invasion , and he led the Bulgarian delegation that negotiated with Serbian King Stefan Decanski .
Bagaimanapun tenteranya cukup untuk menghalang serangan Serbia dan beliau mengetuai delegasi Bulgaria yang berunding dengan Raja Serbia Stefan Decanski. Tenteranya, bagaimanapun, cukup untuk menghalang pencerobohan Serbia, dan beliau mengetuai delegasi Bulgaria yang berunding dengan Raja Serbia Stefan Decanski.