%0 Journal Article %A V. A. Galaktionov %T The KPP-problem and $\log t$-front shift for higher-order semilinear parabolic equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2013 %P 49-79 %V 283 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2013_283_a4/ %G en %F TM_2013_283_a4