%0 Journal Article %A L. M. Berkovich %T Transformation of variables as a method for finding exact invariant solutions of the Kolmogorov--Petrovskii--Piskunov equation and related nonlinear heat equations %J Doklady Akademii Nauk %D 1992 %P 635-640 %V 322 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_322_4_a1/ %G ru %F DAN_1992_322_4_a1