Short description: In Russian. Polyachenko, Valery Lvivich. Equilibrium and stability of gravity systems. Moscow: Science, 1976. Ravnovesie i ustoychivost' gravitiruyushchikh sistem. In Russian /Equilibrium and stability of gravity systems. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7015162