%0 Journal Article %T Problems of Long-Distance Telephony at the Turn of the 19th and 20th Centuries and the Search for Their Solutions %A Pestrikov, V.M. %K Long-distance telephone communication, telegraph equations, bimetallic telephone cable, Campbell’s equation, Campbell’s loading coils %J Infocommunications and Radio Technologies %D 2022 %N 5 %P 34 %I Federal State Educational Institution of Higher Education Sevastopol State University