TY - JOUR AU - G. V. Kulak AU - V. I. Kazakov AU - T. V. Nikolaenko AU - P. I. Ropot TI - Diffraction of needle light beams by ultrasonic waves in paratellurite crystals JO - Problemy fiziki, matematiki i tehniki PY - 2025 SP - 20 EP - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2025_1_a2/ LA - ru ID - PFMT_2025_1_a2 ER -