%0 Journal Article %A V. R. Petukhov %T A differential-functional equation in partial derivatives %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1964 %P 96-99 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1964_1_a12/ %G ru %F IVM_1964_1_a12