%0 Journal Article %A O. A. Aktsipetrov %A N. N. Akhmediev %A N. N. Vsevolodov %A D. A. Esikov %A D.A. Shutov %T Photochromism in the nonlinear optics: photocontrolled generation of second harmonic by the bacteriorhodopsin molecules %J Doklady Akademii Nauk %D 1987 %P 592-594 %V 293 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_293_3_a18/ %G ru %F DAN_1987_293_3_a18