%0 Journal Article %A D. G. Matveev %A I. Yu. Popov %T Variational estimations of the eigenvalues for 3D quantum waveguides in a transverse electric field %J Nanosistemy: fizika, himiâ, matematika %D 2012 %P 6-22 %V 3 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2012_3_3_a0/ %G en %F NANO_2012_3_3_a0