%0 Journal Article %A V. M. Zhuravlev %T Multidimensional quasilinear first-order equations and multivalued solutions of the~elliptic and hyperbolic equations %J Teoretičeskaâ i matematičeskaâ fizika %D 2016 %P 371-385 %V 186 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2016_186_3_a1/ %G ru %F TMF_2016_186_3_a1