@article{PFMT_2011_2_a14,
     author = {V. V. Shepelevich},
     title = {F.~I.~Fedorov and development of the optics of photorefractive crystals},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {90--93},
     publisher = {mathdoc},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2011_2_a14/}
}