%0 Journal Article %A V. S. Vladimirov %T Mathematical questions for theory of nonlinear pseudodifferential equations with $p$-adic string %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2011 %P 34-41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2011_1_a4/ %G ru %F VSGTU_2011_1_a4