%0 Journal Article %A A. V. Khokhlov %T Criteria of non-monotonicity and negativity of the Poisson coefficient for isotropic viscoelastic materials described by the nonlinear Rabotnov relation %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2020 %P 32-38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2020_3_a3/ %G ru %F VMUMM_2020_3_a3