%0 Journal Article %A A. F. Lavrik %T The principal of nonstandard functional equations theory for Dirichlet's functions, consequences and applications of it %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1973 %P 70-76 %V 132 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1973_132_a8/ %G ru %F TM_1973_132_a8