О некоторых решениях уравнений движения сплошной среды со специальной термодинамикой

We consider the system of differential equations describing motions of continuum media for which all thermodynamics functions are invariant along trajectories of particles.It is proved that for two dimensional case this system are partially linearized by special Lagrange coordinates.We find and investigate some classes of exact solutions and derive scheme of reduction this system to involution.