%0 Journal Article %A V. V. Grigoryeva %A Yu. V. Sheretov %T On a new class of exact solutions of Quasi-Hydrodynamic system, generated by eigenfunctions of two-dimensional Laplace operator %J Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika %D 2022 %P 5-17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTPMK_2022_1_a0/ %G ru %F VTPMK_2022_1_a0