%0 Journal Article %A V. P. Maslov %A V. G. Danilov %T Pontryagin's duality principle for calculation of an effect of Cherenkov's type in crystals and difference schemes %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %P 130-160 %V 166 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1984_166_a10/ %G ru %F TM_1984_166_a10