%0 Journal Article %A N. R. Sadykov %T Wave functions and eigenvalues of charge carriers in a nanotube in a neighborhood of the Dirac point in the presence of a longitudinal electric field %J Teoretičeskaâ i matematičeskaâ fizika %D 2014 %P 368-381 %V 180 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_2014_180_3_a5/ %G ru %F TMF_2014_180_3_a5