V. D. Valyavichyus, V. I. Samulenis, Yu. M. Vysochanskii, M. M. Maior, M. I. Gurzan, “Ultrasound velocity and attenuation in <nobr>$\mathrm{Sn}_{2}\mathrm{P}_{2}\mathrm{Se}_{6}$</nobr> ferroelectric with incommensurate phase”, Fizika Tverdogo Tela, 1989, Volume 31, Issue 7,Pages <nobr>144

Ultrasound velocity and attenuation in $\mathrm{Sn}_{2}\mathrm{P}_{2}\mathrm{Se}_{6}$ ferroelectric with incommensurate phase

V. D. Valyavichyus^a, V. I. Samulenis^a, Yu. M. Vysochanskii^b, M. M. Maior^b, M. I. Gurzan^b

^a V. Kapsukas Vilnius State University
^b Uzhgorod State University

UDC: 537.226

Received: 01.12.1988
Revised: 14.02.1989