%0 Journal Article %A I. V. Volovich %A V. Zh. Sakbaev %T Universal boundary value problem for equations of mathematical physics %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2014 %P 64-88 %V 285 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2014_285_a5/ %G ru %F TM_2014_285_a5