%0 Journal Article %A N. Ivochkina %A O. Ladyzhenskaya %T Flows generated by symmetric functions of the eigenvalues of the Hessian %J Zapiski Nauchnykh Seminarov POMI %D 1995 %P 127-144 %V 221 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1995_221_a8/ %G en %F ZNSL_1995_221_a8