Sharifov, D.M. (2009) “NONLINEAR PROCESSES UNDER THE PHOTOACOUSTIC STUDIES OF CONDENSED MATTER ON THE BOUNDARY OF THE PHASE TRANSITIONS”, Recent Contributions to Physics, 2009(3), pp. 117–122. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/217 (Accessed: 19 July 2026).