Belevitch 1950, pp. 231–244 Belevitch, V (1950). "Theory of 2n-terminal networks with applications to conference telephony". Electrical Communication: Technical Journal. 27. International Telephone and Telegraph Corporation: 231–244. ISSN0013-4252. OCLC989599917.
Belevitch 1950, p. 240 Belevitch, V (1950). "Theory of 2n-terminal networks with applications to conference telephony". Electrical Communication: Technical Journal. 27. International Telephone and Telegraph Corporation: 231–244. ISSN0013-4252. OCLC989599917.
Belevitch 1950, pp. 240–2 Belevitch, V (1950). "Theory of 2n-terminal networks with applications to conference telephony". Electrical Communication: Technical Journal. 27. International Telephone and Telegraph Corporation: 231–244. ISSN0013-4252. OCLC989599917.
Belevitch 1950, p. 242 Belevitch, V (1950). "Theory of 2n-terminal networks with applications to conference telephony". Electrical Communication: Technical Journal. 27. International Telephone and Telegraph Corporation: 231–244. ISSN0013-4252. OCLC989599917.