"Short description: In Russian. Goryainov, Vsevolod Yurievich. Variable Current Theory. Leningrad; Moscow: Energoizdat, 1934 (Leningrad: type. You are welcome to reach out to us for a detailed description of the copies currently available. Delivery of this book may take longer than usual including extended processing and pre-shipping time, no expedited shipping is available. Please advise us if you have a set date or a deadline to receive your order.SKU9280546"