Short description: In Russian. Popov, Evgeniy Pavlovich. Approximate methods of investigation of non-linear automatic systems. Moscow: Physmatgiz, 1960. Priblizhennye metody issledovaniya nelineynykh avtomaticheskikh sistem. In Russian /Approximate methods for investigating non-linear automatic systems . 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. SKU6452253