%0 Journal Article %T A Simple Derivation of Josephson Formulae in Superconductivity %A Izumi Ojima %J Physics %D 1999 %I arXiv %X A simple and general derivation of Josephson formulae for the tunneling currents is presented on the basis of Sewell's general formulation of superconductivity in use of off-diagonal long range order (ODLRO). %U http://arxiv.org/abs/math-ph/9912010v2