Sergeev, D. M., and K. Sh. Shunkeev. “INFLUENCE ANHARMONICITY OF A RELATION A CURRENT - PHASE ON PROPERTIES SUPERCONDUCTING OF WEAK LINKS”. Recent Contributions to Physics, vol. 30, no. 3, Sept. 2009, pp. 73-80, https://bph.kaznu.kz/index.php/zhuzhu/article/view/211.