%0 Journal Article %A B. S. Pavlov %A A. A. Pokrovski %A A. V. Strepetov %T Quasi-Relativism, the Narrow-Gap Property, and Forced Electron Dynamics in Solids %J Teoretičeskaâ i matematičeskaâ fizika %D 2002 %P 72-83 %V 131 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2002_131_1_a6/ %G ru %F TMF_2002_131_1_a6