%0 Journal Article %A O. N. Shablovskii %T Nonlinear waves and "negative heat capacity" in a medium with competitive sources %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2020 %P 64-76 %N 66 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2020_66_a4/ %G ru %F VTGU_2020_66_a4