TY - JOUR AU - V. V. Shepelevich TI - F.~I.~Fedorov and development of the optics of photorefractive crystals JO - Problemy fiziki, matematiki i tehniki PY - 2011 SP - 90 EP - 93 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2011_2_a14/ LA - ru ID - PFMT_2011_2_a14 ER -