%0 Journal Article %A N. M. Ivochkina %T Weakly first-order interior estimates and Hessian equations %J Zapiski Nauchnykh Seminarov POMI %D 2006 %P 55-66 %V 336 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2006_336_a3/ %G en %F ZNSL_2006_336_a3