%0 Journal Article %A A. A. Kosov %A E. I. Semenov %A V. V. Tirskikh %T On exact multidimensional solutions of a nonlinear system of first order partial differential equations %J The Bulletin of Irkutsk State University. Series Mathematics %D 2019 %P 53-68 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2019_28_a3/ %G en %F IIGUM_2019_28_a3