Short description: In Russian. Petrovich, Nikolai Timofeevich. Optimization of modes of operation of multi-channel phase systems in a non-linear group path. Moscow: Communications, 1970. Optimizatsiya rezhimov raboty mnogokanal'nykh fazovykh sistem pri nelineynom gruppovom trakte. In Russian /Optimization of modes of operation of multi-channel phase systems in a non-linear group path. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7313836