%0 Journal Article %A V. I. Zhegalov %A E. A. Utkina %T The Goursat problem for a~three-dimensional equation with a~higher derivative %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2001 %P 77-81 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2001_11_a9/ %G ru %F IVM_2001_11_a9