%0 Journal Article %A Zh. V. Kolyadko %A V. V. Shepelevich %A S. F. Nichiporko %A S. M. Shandarov %T One-dimensional solitonlike dark odd beams in a cubic optically active photorefractive piezocrystal $\mathrm{Bi_{12}SiO_{20}}$ %J Problemy fiziki, matematiki i tehniki %D 2013 %P 7-13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2013_4_a0/ %G ru %F PFMT_2013_4_a0