%0 Journal Article %A G. V. Kulak %A G. V. Krokh %A T. V. Nikolaenko %T Acoustooptical diognostics of ultrasonic Lamb waves by the Bessel light beams in gyrotropic sillenite type crystels %J Problemy fiziki, matematiki i tehniki %D 2019 %P 13-18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2019_3_a1/ %G ru %F PFMT_2019_3_a1