@article{Pechenin _2017 author = {V. V. Pechenin and K. A. Shcherbina and E. P. Msallam and М. А. Vonsovich}, title = {THE PHASE-LOCKED LOOP SYSTEM WITH COMBINED CONTROL OF THE VARIABLE-FREQUENCY OSCILLATOR}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2017}, volume = {76}, number = {7}, pages = {617--633} }