AKHMET, M. And Kashkynbayev, A. 2017. Preface. Nonlinear Physical Science , vol.25 .

AKHMET, M., & Kashkynbayev, A., (2017). Preface. Nonlinear Physical Science , vol.25.

AKHMET, MARAT, And Ardak Kashkynbayev. "Preface," Nonlinear Physical Science , vol.25, 2017

AKHMET, MARAT And Kashkynbayev, Ardak. "Preface." Nonlinear Physical Science , vol.25, 2017

AKHMET, M. And Kashkynbayev, A. (2017) . "Preface." Nonlinear Physical Science , vol.25.

@article{article, author={MARAT AKHMET And author={Ardak Kashkynbayev}, title={Preface}, journal={Nonlinear Physical Science}, year=2017}